CN219281451U - Push-pull handle and handle assembly - Google Patents

Abstract

The utility model relates to the technical field of locks, and discloses a push-pull handle and a handle assembly, wherein the push-pull handle comprises: one end of the fixed seat is provided with a cylindrical mounting part, and the periphery of the mounting part is provided with a limiting clamping table with a non-circular section; one end of the handle body is provided with an assembly groove which can accommodate the limiting clamping table and has a depth larger than the thickness of the limiting clamping table; the limiting baffle plate is sleeved on the mounting part, and a limiting hole with the width not smaller than the width of the limiting clamping table and the length smaller than the length of the limiting clamping table is formed in the middle of the limiting baffle plate; the limiting clamping table penetrates through the limiting hole and then is positioned in the assembly groove, and the limiting baffle is fixedly connected to the side face of the handle body. The handle body of the push-pull handle can be stably connected to the fixing seat, and the push-pull unlocking function can be realized in the handle assembly.

Description

Push-pull handle and handle assembly

Technical Field

The utility model relates to the technical field of locks, in particular to a push-pull handle and a handle assembly.

Background

The handle of the door lock is usually connected with a square core inside the lock, and the square core can be rotated by rotating the handle so as to retract a lock tongue of the lock to realize unlocking. Because unlocking habits of different users are different, such as rotating the handle clockwise, rotating the handle counterclockwise, pushing the handle inward, pulling the handle outward, etc., push-pull door handle assemblies also exist on the market. The handle component is internally provided with a linkage structure capable of synchronously rotating with the square core of the lockset, the handle is connected with the linkage structure, and the linkage structure and the square core can be driven to rotate together when the handle is pushed or pulled, so that the lock is opened and closed. However, the handle in the handle assembly has a complicated structure, and meanwhile, the swinging part and the fixed part are not tightly connected due to the swinging, so that the problem of falling easily occurs.

Disclosure of Invention

The utility model aims to provide a push-pull handle and a handle assembly, wherein a handle body of the push-pull handle can be stably connected to a fixed seat, and the push-pull unlocking function can be realized when the push-pull handle is applied to the handle assembly.

To achieve the above object, in a first aspect, the present utility model provides a push-pull handle, comprising: one end of the fixed seat is provided with a cylindrical mounting part, and the periphery of the mounting part is provided with a limiting clamping table with a non-circular section; one end of the handle body is provided with an assembly groove which can accommodate the limiting clamping table and has a depth larger than the thickness of the limiting clamping table; the limiting baffle plate is sleeved on the mounting part, and a limiting hole with the width not smaller than the width of the limiting clamping table and the length smaller than the length of the limiting clamping table is formed in the middle of the limiting baffle plate; the limiting clamping table penetrates through the limiting hole and then is positioned in the assembly groove, and the limiting baffle is fixedly connected to the side face of the handle body.

Preferably, a return spring is arranged in the mounting part and applies a force to the handle body, which is far away from one side of the fixing seat.

Preferably, a positioning clamping table with the same shape as the limiting hole is arranged on one side, far away from the handle body, of the limiting clamping table.

Preferably, the end face of the limit clamping table, which is close to the two ends of the assembly groove, is an inclined plane or an arc surface inclined to one side of the fixing seat.

Preferably, the method further comprises: the second sealing plate is an annular plate body, a gap is formed in the side edge of the second sealing plate, and the second sealing plate is sleeved on the periphery of the mounting part.

Preferably, the second sealing plate is clamped in the assembly groove.

In order to achieve the above object, in a second aspect, the present utility model provides a handle assembly comprising: a push-pull handle as described above; the first connecting part is arranged on the fixed seat in a rotating way around the axial direction, one end of the first connecting part is provided with Fang Xinkong, the other end of the first connecting part is arranged in the fixed seat in a penetrating way, the periphery of the first connecting part is provided with a first connecting groove with one side groove wall being an inclined plane, and the width of one end, close to the square core hole, of the first connecting groove is not larger than the width of one end, far away from the square core hole; one end of the second connecting part is of a cylindrical structure, is sleeved at the other end of the first connecting part, and the other end of the second connecting part is abutted in the assembly groove; the guide pin is axially arranged in the mounting part in a sliding manner, and the side surface of the guide pin is abutted against one end, close to the fixed seat, of the second connecting part and the inclined surface; the side face of the guide pin is provided with a return spring, and the return spring applies acting force towards one side of the handle body to the guide pin after being compressed.

Preferably, the outer periphery of the first connecting part is provided with two first connecting grooves symmetrically along the circumferential direction; the inner wall of the installation part is symmetrically provided with two first sliding grooves which can accommodate the end parts of the guide pins.

Preferably, a second limiting groove is formed in the end face of the other end of the second connecting part; and a limiting block extending into the second limiting groove is arranged on the bottom surface of the assembly groove.

Preferably, the limiting block is sleeved with an auxiliary plate with the side face abutting against the end face of the second connecting part.

According to the push-pull handle disclosed by the utility model, the limit clamping table is arranged on the fixed seat, the assembly groove capable of accommodating the limit clamping table is arranged on the handle body, and one end of the handle body can be sleeved on the limit clamping table of the fixed seat through the limit baffle. At this time, the handle body can swing along the radial direction of fixing base in the outer end department of fixing base, and the user can push-and-pull handle body's tip promptly. The push-pull handle is simple in structure, and the handle body can swing on the fixing seat stably, so that the phenomenon of falling off is avoided, and the handle body can be used effectively for a long time.

In addition, still be equipped with reset spring in the installation department, its inner is fixed, the outer end is exerted the effort towards outer end one side to the handle body, after the one end of user's promotion or pulling handle body, reset spring can promote the handle body and remove to outer end until limit baffle's side is tightly supported on limit clamping platform's side, and the handle body can connect on the fixing base steadily this moment, only can carry out the swing under the circumstances that has the user to exert external force. The push-pull handle is applied to the handle assembly with the first connecting part, the second connecting part and the guide pin in the fixed seat, and the lock square core can be rotated through the push-pull handle body, so that unlocking is realized.

Drawings

Fig. 1a and 1b are exploded views of a handle assembly according to one embodiment of the present utility model at two different viewing angles.

Fig. 2 is a schematic structural view of a handle assembly according to an embodiment of the present utility model.

Fig. 3a and 3b are schematic structural views of a fixing base according to an embodiment of the present utility model at two different angles.

Fig. 4a and 4b are schematic structural views of a first connection portion according to an embodiment of the present utility model at two different viewing angles.

The reference numerals in the figures are:

1. a handle body; 11. an assembly groove; 12. an auxiliary plate; 13. a limit baffle; 14. a limiting block; 131. a limiting hole; 2. a fixing seat; 21. a mounting part; 22. a connecting seat; 23. a first sliding groove; 24. circlips for holes; 25. an annular clamping groove; 26. a clamping seat; 211. a limiting clamping table; 212. positioning a clamping table; 3. a first connection portion; 31. fang Xinkong; 32. a first connection groove; 33. an annular clamping table; 34. a square core connecting part; 35. a first limit groove; 4. a second connecting portion; 41. a second connecting groove; 42. the second limit groove; 5. a guide pin; 6. a return spring; 71. a first sealing plate; 72. a second sealing plate; 8. and a reset torsion spring.

Detailed Description

Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. In the present disclosure, the terms "comprising," "including," "having," "disposed in" and "having" are intended to be open-ended and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first," "second," and the like, are used merely as labels, and do not limit the number or order of their objects.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this embodiment, a push-pull handle and a handle assembly having the same are disclosed, and fig. 1a and 1b illustrate exploded structures of the handle assembly at two different viewing angles; FIG. 2 shows a perspective view of the handle assembly; FIGS. 3a and 3b illustrate the perspective structure of the fixing base of the handle assembly at two different viewing angles; fig. 4a and 4b show a perspective structure of the first coupling part of the handle assembly at two different viewing angles.

Referring to fig. 1a to 4b, the push-pull handle includes a fixing base 2, a handle body 1 and a limit baffle 13. In the following, in order to describe the connection relationship between the components, "inner end" and "outer end" are introduced, wherein "inner end" refers to the end of the push-pull handle close to the lock square core, and "outer end" refers to the end of the push-pull handle far away from the lock square core.

The outer end of the fixing seat 2 is provided with a cylindrical mounting part 21, and the periphery of the mounting part 21 is provided with a limiting clamping table 211 with a non-circular section for being connected with the handle body 1. The inner end of the fixing seat 2 is a cylindrical connecting seat 22, and the diameter of the connecting seat 22 is larger than that of the mounting part 21, so that the fixing seat 2 can be fixedly mounted on a door lock or a door leaf. The inner side one end of the handle body 1 is provided with an assembly groove 11 which can accommodate the limiting clamping table 211 and has a depth greater than the thickness of the limiting clamping table 211. The limit baffle 13 is sleeved on the mounting portion 21, and the side surface of the limit baffle is covered on the assembly groove 11, so that the limit clamping table 211 is limited in the assembly groove 11, for example, a screw is arranged on the periphery of the limit baffle 13 to fixedly connect the limit baffle to the side surface of the handle body 1. The limit baffle 13 is provided with a limit hole 131 with a width not smaller than the width of the limit clamping table 211 and a length smaller than the length of the limit clamping table 211. Referring to fig. 1a and 1b, when the handle body 1 and the fixing base 2 are assembled together, the limiting clamping table 211 is located in the assembly groove 11. Because the length of the spacing clamping platform 211 is greater than the length of the spacing hole 131, when the spacing clamping platform 211 is assembled, firstly, one end of the spacing clamping platform 211 is inserted into the spacing hole 131, and the spacing clamping platform 211 is moved towards the end, so that the other end of the spacing clamping platform 211 is positioned in the spacing hole 131, at this time, the whole spacing clamping platform 211 can pass through the spacing hole 131, then the spacing baffle 13 is moved, so that the spacing clamping platform can be sleeved on the mounting part 21, and then the spacing baffle 13 is fixed on the handle body 1 through the screw, so that the spacing clamping platform 211 is limited in the assembly groove 11, in other words, one end of the handle body 1 is sleeved on the mounting part 21 at this time.

The handle body 1 can swing along the radial direction of the fixed seat 2 at the outer end of the fixed seat 2 at this moment, namely, a user can push and pull the end part of the handle body 1, and then the square core of the rotary lock can be realized by matching with the linkage structure in the fixed seat 2. The push-pull handle is simple in structure, the handle body 1 can swing on the fixing seat 2 stably, the falling phenomenon can not occur, and long-term effective use of the push-pull handle is ensured.

In addition, a return spring 6 is further disposed in the mounting portion 21, the inner end of the return spring is fixed, the outer end applies a force towards the outer end of the handle body 1, when a user pushes or pulls one end of the handle body 1, the return spring 6 can push the handle body 1 to move towards the outer end until the side surface of the limit baffle 13 abuts against the side surface of the limit clamping table 211, at this time, the handle body 1 can be stably connected to the fixing seat 2, and only when the user applies an external force, the handle body can swing.

In addition, in this embodiment, referring to fig. 3b, a positioning clip 212 having the same shape as the shape of the limiting hole 131 is provided on the side of the limiting clip 211 away from the handle body 1. Therefore, after the handle body 1 and the fixing seat 2 are assembled, the handle body 1 is moved to one side of the outer end by the acting force of the return spring 6, and the limit baffle 13 can be indirectly driven to move to the side, at the moment, the limit hole 131 can be sleeved on the positioning clamping table 212, and the limit hole 131 is also non-circular, so that the structure can limit the rotation of the handle body 1 and can improve the connection stability of the handle body 1 and the fixing seat 2.

In addition, the end surface of the limiting clamping table 211 near the two ends of the assembly groove 11 (i.e., the upper and lower ends in fig. 3a and 3 b) is an inclined surface or an arc surface inclined to one side of the fixing seat 2. Under this kind of structure, handle body 1 can realize with the swing connection of fixing base 2 with the assembly groove 11 of less degree of depth.

In addition, in this embodiment, the mounting portion 21 is further sleeved with a second sealing plate 72, where the second sealing plate 72 is an annular plate body, and a circular hole with the same shape as the mounting portion 21 is formed in the middle, and the diameter of the circular hole is smaller than the length of the limiting clamping table 211, and a slit is formed at one side edge of the circular hole to form an opening. When in use, the limiting baffle 13 can be opened and sleeved on the periphery of the mounting part 21, so as to be shielded. In addition, the second sealing plate 72 may have the same shape as the assembly groove 11, and when the handle assembly is assembled, the second sealing plate 72 may be clamped in the assembly groove 11, so that the appearance of the handle body 1 is more uniform and concise.

In this embodiment, a handle assembly with the push-pull handle is also disclosed, and the handle body 1 of the handle assembly is indirectly connected with the square core in the lockset, so that the square core can be rotated by pushing and pulling the handle body 1. Referring to fig. 1a and 1b, the handle assembly further includes: a first connecting part 3, a second connecting part 4 and a guide pin 5. Two first sliding grooves 23 are symmetrically provided on the inner wall of the mounting portion 21, and both ends of the guide pin 5 are provided in the first sliding grooves 23 so as to be slidable in the axial direction.

The first connecting part 3 is rotatably arranged on the fixed seat 2 around the axial direction, one side of the inner end of the first connecting part is provided with a square core hole 31, and the outer end of the first connecting part is cylindrical and provided with two first connecting grooves 32. One end of the square core hole 31 of the first connecting part 3 is arranged outside the fixed seat 2 and can be connected with the square core when in use; one end of a first connection groove 32 of the first connection part 3 is provided in the mounting part 21 for cooperation with the second connection part 4 and the guide pin 5. An annular clamping table 33 abutting against the end face of the fixing seat 2 is arranged in the middle of the first connecting portion 3, and movement of the first connecting portion 3 to the outer end can be prevented.

The groove wall on one side of the first connecting groove 32 is an inclined surface, and since the outer end of the first connecting part 3 is cylindrical in this embodiment, the groove wall on the side of the first connecting groove 32 is a spiral inclined surface which is arranged on the cylinder wall and is wound in the axial direction; the other side groove wall of the first connecting groove 32 is a plane parallel to the axial direction. The two first connecting grooves 32 are symmetrically arranged along the circumferential angle of the first connecting portion 3, so that the side wall of the guide pin 5 radially penetrating therein can simultaneously abut on the two spiral inclined surfaces. The width of the end of the first connecting groove 32 close to the square core hole 31 is smaller than the width of the end far from the Fang Xinkong.

The inner end of the second connecting part 4 is of a cylindrical structure and sleeved at the outer end of the first connecting part 3, so that the second connecting part 4 and the first connecting part 3 can rotate relatively. The outer end of the second connecting portion 4 is adapted to be connected to the handle body 1, and in this embodiment, is provided in the fitting groove 11 so as to be pushed inward by the bottom surface of the fitting groove 11 when the handle body 1 is pushed and pulled.

The guide pin 5 is a cylinder penetrating the first connecting portion 3 in the radial direction and located in the two first connecting grooves 32 and the two first sliding grooves 23, and the side faces are abutted on the spiral inclined faces of the two first connecting grooves 32 and the inner ends of the second connecting portions 4.

When the sliding handle is used, one end of the handle body 1 is pushed and pulled, the second connecting part 4 can be pushed to the inner end by the bottom surface of the assembly groove 11, the guide pin 5 moves to the inner end along the first sliding groove 23, and the side surface of the guide pin 5 is abutted on the spiral inclined surface of the first connecting groove 32, and the guide pin 5 can not rotate around the axial direction, so that the first connecting part 3 can rotate under the pushing of the guide pin 5, and meanwhile, the square core of the lockset can be driven to rotate together by the inner end of the first connecting part 3. Through adjusting the inclination direction and the inclination angle of the spiral inclined plane, the rotation direction and the rotation angle of the first connecting part 3 can be adjusted, the square core can be conveniently controlled to rotate in a preset direction and angle, and the function of retracting the lock tongue is realized. In this embodiment, the return spring 6 is fixedly arranged in the fixing base 2 at its inner end and abuts against the side face of the guide pin 5 at its outer end. Therefore, after unlocking is completed, the return spring 6 can push the guide pin 5, the second connecting portion 4 and the handle body 1 to move towards the outer end until the limit baffle 13 is abutted against the side surface of the limit clamping table 211 again, and at this time, the handle body 1 is fixed.

In the initial state, i.e. before unlocking, the guide pin 5 is arranged at the outer end of the first connecting groove 32, so after the handle components are arranged at the two sides of the door lock, when the handle body 1 at one side of the door lock is pushed to the inner end or pulled to the outer end, the first connecting part 3 and the second connecting part 4 at the side can drive the square core to rotate, while the first connecting part 3 at the other side simultaneously rotates, the guide pin 5 at the side cannot move along the axial direction in the first connecting groove 32 because the width of the outer end of the first connecting groove 32 is larger than the diameter of the guide pin 5, and the second connecting part 4 at the side and the handle body 1 cannot be driven to move simultaneously, so that the force required for unlocking can be reduced, and the unlocking of a user is facilitated.

In this embodiment, a second limiting groove 42 is provided on the outer end surface of the second connecting portion 4, and a limiting block 14 extending into the second limiting groove 42 is provided on the bottom surface of the fitting groove 11. The second limiting groove 42 and the limiting block 14 are long, the lengths of the second limiting groove and the limiting block are parallel to the length of the handle body 1, and the handle body 1 can swing around the radial direction of the first connecting portion 3 and cannot rotate. In addition, the limiting block 14 can also play a role in limiting the second connecting portion 4, and when the limiting block is used, the second connecting portion 4 can axially move at the periphery of the limiting block 14, and radial movement cannot occur.

In addition, in this embodiment, two second connecting grooves 41 are symmetrically provided in the circumferential direction at the inner end of the second connecting portion 4 for accommodating the guide pin 5, the notch of the second connecting groove 41 faces the first connecting portion 3, and the groove wall of the second connecting groove 41 abuts against the side face of the guide pin 5. The second connecting groove 41 can strengthen the connection tightness between the second connecting portion 4 and the guide pin 5, and can prevent the second connecting portion 4 from rotating around the axial direction during use.

In addition, in this embodiment, an auxiliary plate 12 is further provided between the second connecting portion 4 and the bottom surface of the fitting groove 11, and the length of the auxiliary plate 12 is longer than the width of the second connecting portion 4 in the longitudinal direction of the handle body 1. The auxiliary plate 12 is sleeved on the limiting block 14, two side faces are respectively abutted on the end face of the second connecting part 4 and the bottom face of the assembly groove 11, and a strip hole in the middle of the auxiliary plate 12 is larger than the length of the limiting block 14. When pushing or pulling the handle body 1 to swing around the radial direction of the first connecting portion 3, the auxiliary plate 12 can move to the side close to the fixing seat 2, so that the stress area of the second connecting portion 4 is larger, and the handle body can move to the side of the fixing seat 2 along the axial direction stably, and unlocking is achieved.

In this embodiment, the mounting portion 21 has a tapered cylindrical structure, and the diameter of one end thereof close to the handle body 1 is smaller than the diameter of the other end thereof, so that the handle body 1 can swing well, and the stability of the second connecting portion 4 therein is improved.

The groove wall on one side of the first connecting groove 32 is an inclined plane, and the groove wall on the other side is a plane parallel to the axial direction, so that unlocking can be realized, and meanwhile, the force required for unlocking can be reduced. In another embodiment, the groove walls on both sides of the first connecting groove 32 may be two inclined surfaces, but it is required to ensure that the width of the end of the first connecting groove 32 near the Fang Xinkong is not greater than the width of the end far from Fang Xinkong, i.e. the width of the notch is not less than the width of the groove bottom. At this time, when unblanking, promote second connecting portion 4 can drive first connecting portion 3 and rotate, when first connecting portion 3 of lock opposite side rotates, guide pin 5 is motionless or to the one side that is close to the square core remove, can not drive second connecting portion 4 and handle body 1 simultaneous movement of this side, consequently compare in traditional lock, can reduce the required dynamics of unblanking equally.

In another embodiment, the outer end of the first connecting portion 3 may be cylindrical, and the inner end of the second connecting portion 4 may be cylindrical and fit around the outer periphery of the first connecting portion 3, so that the first connecting portion 3 and the second connecting portion 4 can rotate relative to each other.

In addition, in still another embodiment, the number of the first slide grooves 23 and the first connecting grooves 32 may be set to one, while the distal end of the first connecting portion 3 is set to a cylindrical shape, and accordingly, the first connecting grooves 32 have only one side end opening and one tip end opening. At this time, one end of the guide pin 5 is provided in the first slide groove 23, the other end thereof abuts against a side end wall of the first connecting groove 32 near the axial center, and the side wall of the guide pin 5 also abuts against the inclined groove wall of the first connecting groove 32. With this structure, the guide pin 5 can also drive the first connecting portion 3 to rotate when the second connecting portion 4 is pushed inward.

In addition, in this embodiment, a first sealing plate 71 is further provided on the inner end side of the fixing base 2, and a circular mounting hole is provided in the middle of the first sealing plate 71 for restricting the movement of the first connecting portion 3 toward the inner end. An annular clamping seat 26 is arranged in the connecting seat 22, a clamping groove for accommodating the end part of the first sealing plate 71 is arranged on the clamping seat 26, an annular clamping groove 25 is also arranged on the inner wall of the clamping seat 26, and an elastic retainer ring 24 for a hole is arranged in the annular clamping groove 25. One side of the first sealing plate 71 abuts against the annular locking piece 33, and the other side of the first sealing plate 71 abuts against the circlip 24 for hole, thereby restricting the movement of the first connecting portion 3 toward the inner end. The first connecting portion 3 has a square core connecting portion 34 penetrating through the circular mounting hole at one side of the inner end, and the square core connecting portion 34 is cylindrical and has the above Fang Xinkong at one side of the inner end.

The annular clamping table 33 is also sleeved with a reset torsion spring 8, and the annular clamping table 33 is provided with a first limit groove 35 for fixing one torsion arm of the reset torsion spring 8; a first limiting groove 35 is likewise provided on the first sealing plate 71 for fixing the other torsion arm of the restoring torsion spring 8. Referring to fig. 1a and 1b, one torsion arm of the return torsion spring 8 is inserted into the first limit groove 35 on the annular clamping table 33, and the other torsion arm of the return torsion spring 8 is inserted into the first limit groove 35 on the first sealing plate 71. When the first connecting portion 3 rotates clockwise or counterclockwise, the reset torsion spring 8 is pressed and drives the first connecting portion 3 to rotate counterclockwise or clockwise. In other words, after the first connecting portion 3 rotates to unlock, the reset torsion spring 8 can drive the first connecting portion 3 to restore to the initial state, so as to facilitate subsequent unlocking. Of course, in other embodiments, the reset torsion spring 8 may be omitted, and a mechanism capable of resetting the square core in the lock may be adopted to indirectly restore the first connecting portion 3 to the initial state.

In addition, when the groove walls of the two sides of the first connecting groove 32 are parallel inclined planes, the return spring 6 can drive the first connecting portion 3 to restore to the original state when pushing the guide pin 5 to move to the outer end. Therefore, when the groove walls on both sides of the first connecting groove 32 are parallel inclined surfaces, only one return spring 6 and only one return torsion spring 8 can be arranged, or only a mechanism capable of resetting the square core in the lock is selected, so that the first connecting part 3 and the second connecting part 4 can be indirectly restored to the initial state.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A push-pull handle, comprising:

one end of the fixed seat is provided with a cylindrical mounting part, and the periphery of the mounting part is provided with a limiting clamping table with a non-circular section;

one end of the handle body is provided with an assembly groove which can accommodate the limiting clamping table and has a depth larger than the thickness of the limiting clamping table;

the limiting baffle plate is sleeved on the mounting part, and a limiting hole with the width not smaller than the width of the limiting clamping table and the length smaller than the length of the limiting clamping table is formed in the middle of the limiting baffle plate; wherein the method comprises the steps of

The limiting clamping table penetrates through the limiting hole and then is positioned in the assembly groove, and the limiting baffle is fixedly connected to the side face of the handle body.

2. The push-pull handle according to claim 1, wherein,

and a reset spring which applies acting force to the handle body at one side far away from the fixed seat is arranged in the mounting part.

3. The push-pull handle according to claim 2, wherein,

one side of the limiting clamping table, which is far away from the handle body, is provided with a positioning clamping table with the same shape as the limiting hole.

4. The push-pull handle according to claim 2, wherein,

the end face of the limiting clamping table, which is close to the two ends of the assembly groove, is an inclined surface or an arc surface inclined to one side of the fixing seat.

5. The push-pull handle according to any one of claims 2 to 4, further comprising:

the second sealing plate is an annular plate body, a gap is formed in the side edge of the second sealing plate, and the second sealing plate is sleeved on the periphery of the mounting part.

6. The push-pull handle according to claim 5, wherein,

the second sealing plate is clamped in the assembly groove.

7. A handle assembly, comprising:

the push-pull handle according to any one of claims 1 to 6;

the first connecting part is arranged on the fixed seat in a rotating way around the axial direction, one end of the first connecting part is provided with Fang Xinkong, the other end of the first connecting part is arranged in the fixed seat in a penetrating way, the periphery of the first connecting part is provided with a first connecting groove with one side groove wall being an inclined plane, and the width of one end, close to the square core hole, of the first connecting groove is not larger than the width of one end, far away from the square core hole;

one end of the second connecting part is of a cylindrical structure, is sleeved at the other end of the first connecting part, and the other end of the second connecting part is abutted in the assembly groove;

the guide pin is axially arranged in the mounting part in a sliding manner, and the side surface of the guide pin is abutted against one end, close to the fixed seat, of the second connecting part and the inclined surface; wherein the method comprises the steps of

The side of the guide pin is provided with a return spring, and the return spring applies acting force towards one side of the handle body to the guide pin after being compressed.

8. The handle assembly of claim 7, wherein,

two first connecting grooves are symmetrically formed in the periphery of the first connecting portion along the circumferential angle;

the inner wall of the installation part is symmetrically provided with two first sliding grooves which can accommodate the end parts of the guide pins.

9. The handle assembly of claim 7, wherein,

a second limiting groove is formed in the end face of the other end of the second connecting part;

and a limiting block extending into the second limiting groove is arranged on the bottom surface of the assembly groove.

10. The handle assembly of claim 9, wherein,

the limiting block is sleeved with an auxiliary plate with the side face abutting against the end face of the second connecting portion.

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