CN218791935U - Anti-loosening handle and cooker - Google Patents

Abstract

The utility model discloses a locking handle which is detachably connected with a nut arranged on a pot body, and comprises a handle main body, a screw and a first gasket component, wherein the middle part of the handle main body is provided with a groove for accommodating the screw, a through hole for assembling the nut is arranged in the groove, and one surface parallel to the vertical surface of the nut assembling direction is a contact surface; the first gasket assembly is sleeved on the screw, the tail of the screw penetrates through the through hole to be connected with the nut, and the head of the screw and the first gasket assembly are located in the groove; the first washer assembly has a piercing surface at an end facing the contact surface, the piercing surface piercing into the contact surface when the screw is tightened. The utility model also provides an adopt the pan of locking handle.

Description

Anti-loosening handle and cooker

Technical Field

The utility model relates to a relevant technical field of pan, more accurate saying so relates to a locking handle and pan.

Background

In the prior art, a handle of a pot is generally connected with a pot body by riveting, welding or screw connection and the like. Wherein, the screw connection mode is generally to screw down the pan handle and the nut installed on the pan body by screws or screws.

In order to resist complex stress changes of the handle in the long-term use process, such as compression force in the axial direction of the handle, torsion force in the circumferential direction of the axial line of the handle, thermal expansion and cold contraction stress of each connecting part when being heated and cooled and the like, in the prior art, a flat gasket is generally arranged on the head of a screw or a threaded rod, one side of the flat gasket is in contact with the handle, and the other side of the flat gasket is in contact with the head of the screw or the threaded rod, so that a tight fit effect is achieved. However, in the in-service use process of pan, rocking, dislocation and rotation can certainly appear, are difficult to avoid the not hard up condition of handle through setting up the flat gasket, can appear the accident that the handle drops when serious, have serious potential safety hazard.

Therefore, the connecting structure of the handle and the pot body needs to be improved in the field, and the anti-loosening performance of the pot handle is enhanced under the condition of lower cost.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a locking handle adopts the packing ring subassembly to strengthen the fastening effect of screw to the handle, can offset the rocking that the user used the handle to produce, and the rotation of axial dislocation and circumferencial direction etc. is not hard up.

Another object of the utility model is to provide an adopt the pan of locking handle.

In order to achieve the purpose, the utility model provides a locking handle which is detachably connected with a nut arranged on a pot body, and comprises a handle main body, a screw and a first gasket component, wherein the middle part of the handle main body is provided with a groove for accommodating the screw, a through hole for assembling the nut is arranged in the groove, and one surface parallel to the vertical surface of the nut assembling direction is a contact surface; the first gasket assembly is sleeved on the screw, the tail of the screw penetrates through the through hole to be connected with the nut, and the head of the screw and the first gasket assembly are located in the groove; the first washer assembly has a piercing surface at an end facing the contact surface, the piercing surface piercing into the contact surface when the screw is tightened.

Preferably, the first washer assembly comprises a tooth-shaped thrust washer set and a first washer, the tooth-shaped thrust washer set and the first washer are arranged in an overlapping mode, the first washer is located between the head of the screw and the tooth-shaped thrust washer set, and two ends, away from each other, of the tooth-shaped thrust washer set are respectively penetrating faces; when the screw is tightened, the two piercing surfaces pierce the contact surface and the first washer, respectively.

Preferably, the tooth-shaped thrust washer group comprises two tooth-shaped thrust washers, the two tooth-shaped thrust washers are arranged in a stacked mode, the surfaces of the two tooth-shaped thrust washers, which are in contact with each other, are matching surfaces, and the surfaces of the two tooth-shaped thrust washers, which are deviated from each other, are piercing surfaces.

Preferably, the first washer assembly comprises a toothed thrust washer and a first washer, the toothed thrust washer and the first washer are arranged in an overlapping mode, the first washer is located between the screw head and the toothed thrust washer, the toothed thrust washer is in contact with the contact surface, and one end, facing the contact surface, of the toothed thrust washer is the piercing surface; the piercing surface pierces the contact surface when the screw is tightened.

Preferably, the tail end of the handle main body is butted with the pot body through a fire-blocking ring.

Preferably, the handle further comprises a cover plate, the cover plate is detachably mounted on and covers the groove, and the outer periphery of the cover plate is flush with the outer periphery of the handle main body.

Preferably, the first gasket is an elastic gasket having axial elasticity; alternatively, the first gasket is a flat gasket.

The utility model also provides a locking handle, which is detachably connected with the nut arranged on the pot body, and comprises a handle body, a long screw rod and a first gasket component, wherein the handle body is internally provided with a long through hole which runs through the handle body, the outer end of the long through hole is provided with a concave hole, and one surface of the concave hole, which is close to the nut, is an installation surface; the first gasket assembly is sleeved on the long screw rod, the long screw rod penetrates through the long through hole and is connected with the nut, and the head of the long screw rod and the first gasket assembly are positioned in the concave hole; an end of the first washer member facing the mounting surface has a piercing surface that pierces the mounting surface when the long screw is tightened.

Preferably, the first washer assembly comprises a tooth-shaped thrust washer set and a second washer, the tooth-shaped thrust washer set and the second washer are arranged in a superposed mode, the second washer is located between the head of the long screw and the tooth-shaped thrust washer set, and two ends, away from each other, of the tooth-shaped thrust washer set are respectively penetrating faces; when the long screw is screwed, the two penetrating surfaces respectively penetrate into the mounting surface and the second gasket.

Preferably, the second gasket is an elastic gasket having axial elasticity; alternatively, the second gasket is a flat gasket.

Preferably, the tail end of the handle body is butted with the pot body through a fire-blocking ring.

The utility model also provides a cooker, which comprises a cooker body, a cooker cover and the anti-loosening handle.

Compared with the prior art, the utility model discloses an advantage of locking handle and pan lies in: the anti-loosening handle adopts a gasket assembly with a penetrating surface, when the screw is tightened, the penetrating surface penetrates into the surface of the handle, which is in contact with the gasket assembly, and when the handle bears the twisting force in the circumferential direction, the screw keeps a tightened state, so that the handle cannot be loosened in the circumferential direction; the anti-loosening handle adopts an elastic washer with axial elasticity, so that when the handle bears axial compression force, the screw keeps a screwed state, and the handle cannot be loosened axially; the anti-loosening handle is simple in structure, simple in assembly method and low in production cost; the pan adopts locking handle can effectively avoid the not hard up or the condition that drops of handle, uses safelyr, and uses and experiences better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a first preferred embodiment of a locking handle disclosed in the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of a variation of the first preferred embodiment of the anti-loosening handle disclosed in the present invention.

Fig. 4 is a schematic structural view of a second preferred embodiment of the anti-loosening handle according to the present invention.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Fig. 6 is a schematic cross-sectional view of a pot of the present invention.

Reference numerals: 1-pot body, 100-anti-loose handle and 2-nut;

3-handle main body, 30-groove, 31-contact surface, 32-through hole, 3A-handle body, 30A-concave hole, 31A-mounting surface and 32A-long through hole;

4-pot cover, 5-fire-blocking ring, 6-screw and 6A-long screw rod;

7-first washer assembly, 71-castellated thrust washer set, 72-first washer, 73-second washer;

8-cover plate, 81-fixing screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

As shown in figure 1, this application locking handle and the nut 2 detachable of installing on pot body 1 are connected, including handle main part 3, screw 6 and first packing ring subassembly 7, the end of handle main part 3 is through keeping off fire circle 5 and pot body 1 butt joint, keeps off fire circle 5 and sets up between handle main part 3 and pot body 1, prevents that handle main part 3 from being burnt and melting by cooking utensils flame. The middle part of the handle body 3 is provided with a groove 30 for accommodating the screw 6, the groove 30 is provided with a through hole 32 for assembling the nut 2, and one surface of the groove 30 which is parallel to the vertical surface of the assembling direction of the nut 2 and a contact surface 31. The first washer assembly 7 is sleeved on the screw 6, the tail of the screw 6 passes through the through hole 32 to be connected with the nut 2, and the head of the screw 6 and the first washer assembly 7 are located inside the groove 30. The end of the first washer element 7 facing the contact surface 31 has a piercing surface which pierces the contact surface 31 when the screw 6 is tightened. The first gasket assembly 7 is arranged between the head of the screw 6 and the contact surface 31, and the penetrating surface of the first gasket assembly 7 penetrates into the contact surface 31 to form fastening in the circumferential direction, so that the screw 6 cannot be loosened in the circumferential direction even if the handle body 3 is subjected to large twisting force in the circumferential direction, and the looseness of the looseness-proof handle after long-term use is guaranteed.

Specifically, as shown in fig. 2, the first washer assembly 7 includes a tooth-shaped thrust washer group 71 and a first washer 72, the tooth-shaped thrust washer group 71 and the first washer 72 are stacked, the first washer 72 is located between the head of the screw 6 and the tooth-shaped thrust washer group 71, and two ends of the tooth-shaped thrust washer group 71 facing away from each other are piercing faces respectively. When the screw 6 is tightened, the two piercing surfaces of the set of toothed thrust washers 71 pierce the contact surface 31 and the first washer 72, respectively, and a tight fit is achieved. When the cooker is operated to move through the handle body 3, the dislocation of the screw 6 in the circumferential direction can be counteracted by the tooth-shaped thrust washer group 71, and the screw is prevented from loosening.

It is noted that the first washer assembly 7 may also comprise only one castellated thrust washer and the first washer 72, the castellated thrust washer and the first washer 72 being arranged one above the other with the first washer 72 between the head of the screw 6 and the castellated thrust washer, the castellated thrust washer being in contact with the contact surface 31, the end of the castellated thrust washer facing the contact surface 31 being a piercing surface. When the screw 6 is screwed, the penetrating surface of the tooth-shaped thrust washer penetrates into the contact surface to play a role in tight fit. When the cooker is operated to move through the handle body 3, the dislocation of the screw 6 in the circumferential direction can be counteracted by the tooth-shaped thrust washer, and the screw is prevented from loosening.

The tooth-shaped thrust washer group 71 may be composed of two tooth-shaped thrust washers arranged in an overlapping manner, wherein the surfaces of the two tooth-shaped thrust washers which are in contact with each other are matching surfaces, and the surfaces of the two tooth-shaped thrust washers which are far away from each other are penetrating surfaces. The tooth-shaped thrust washer is a circular toothed steel part. The tooth-shaped thrust washer group 71 adopts tooth-shaped thrust washers which are arranged in an overlapping manner, and the two piercing surfaces pierce the contact surface 31 and the first washer 72 respectively, so that the fastening effect in the circumferential direction can be further improved. When the cooker moves, the dislocation of the screw in the circumferential direction is counteracted by the pair of toothed thrust washers.

The first washer 72 may be a flat washer or an elastic washer having axial elasticity, and preferably the first washer 72 is an elastic washer having axial elasticity. When the first washer 72 is an elastic washer, after the screw 6 is tightened, the first washer 72 can apply elastic force to the head of the screw 6 to abut against the screw 6; when the handle body 3 is subjected to axial compression force, the first gasket 72 can relieve the axial compression force and prevent the screw 6 from loosening; and after the screw 6 starts to loosen, the first gasket 72 can bounce to make the screw 6 keep a compressed state continuously, so that the axial fastening effect is ensured. Therefore, when the cooker moves, the axial dislocation is absorbed by the axial prestress generated by the elastic washer. Furthermore, the elastic washer can act to increase the pretensioning force, and the screw 6 is tightened to a higher degree than a flat washer. Because the fluctuation of temperature is great in the pan use, the condition that expend with heat and contract with cold all can appear in parts such as handle main part 3 and screw 6, produces the axial compressive force, and the axial compressive force can be alleviated to the elastic washer, prevents that the handle from becoming flexible when the pan is heated or is cooled off.

The anti-loosening handle is convenient to assemble: firstly, the nut 2 is welded on a selected position of the outer wall of the pot body 1, then the fire-blocking ring 5 is sleeved on the tail end of the handle main body 3, then the tail end of the handle main body 3 is aligned and inserted into the nut 2, meanwhile, the first gasket component 7 is assembled on the screw 6, then the screw 6 is inserted into the through hole 32, and finally the screw 6 is screwed into the nut 2 with a set torque, so that the anti-loosening handle can be firmly installed on the pot body 1.

As shown in fig. 3, a variation of embodiment 1 is provided, except that a cover plate 8 is further included, the cover plate 8 is detachably connected to the handle main body 3 by a fixing screw 81, the cover plate 8 covers the groove 30, and the outer periphery of the cover plate 8 is flush with the outer periphery of the handle main body 3. The cover plate 8 is filled in the shielding groove 30, so that the attractiveness and the holding feeling of the anti-loosening handle can be improved.

Example 2

The difference between this embodiment and embodiment 1 is that the handle has a long through hole therethrough and is connected to the nut by a long screw.

As shown in fig. 4, a locking handle of this embodiment is connected with nut 2 detachable who installs on pot body 1, including handle body 3A, long screw 6A and first packing ring subassembly 7, the end of handle body 3A is passed through fire ring 5 and is docked with pot body 1, and fire ring 5 sets up between handle body 3A and pot body 1, prevents that handle body 3A from being burnt and melting by cooking utensils flame. The inside through-hole 32A who runs through handle body 3A that has of handle body 3A, through-hole 32A outer end have shrinkage pool 30A, and the shrinkage pool 30A is the installation face 31A near the one side of nut 2. The first gasket assembly 7 is sleeved on the long screw 6A, the long screw 6A penetrates through the long through hole 32A to be connected with the nut 2, and the head of the long screw 6A and the first gasket assembly 7 are located in the concave hole 30A; the first washer unit 7 has a piercing surface at an end facing the mounting surface 31A, and the piercing surface pierces the mounting surface 31A when the long screw 6A is tightened.

Specifically, as shown in fig. 5, the first washer assembly 7 includes a tooth-shaped thrust washer group 71 and a second washer 73, the tooth-shaped thrust washer group 71 and the second washer 73 are stacked, the second washer 73 is located between the head of the long screw 6A and the tooth-shaped thrust washer group 71, and two ends of the tooth-shaped thrust washer group 71 facing away from each other are piercing faces respectively. When the long screw 6A is tightened, the two piercing surfaces of the tooth-shaped thrust washer group 71 pierce the mounting surface 31A and the second washer 73, respectively, and a tight fit is achieved. When the cookware is operated to move through the handle body 3A, the dislocation of the long screw 6A in the circumferential direction is counteracted by the tooth-shaped thrust washer group 71, so that the long screw is prevented from loosening.

The first washer assembly 7 may further include only one castellated thrust washer and the second washer 73, the castellated thrust washer and the second washer 73 are stacked, and the second washer 73 is located between the head of the long screw 6A and the castellated thrust washer, the castellated thrust washer is in contact with the mounting surface 31A, and an end of the castellated thrust washer facing the mounting surface 31A is a piercing surface. When the long screw 6A is screwed, the penetrating surface of the tooth-shaped thrust washer penetrates into the mounting surface 31A, and a tight fit effect is achieved. When the cookware is operated to move through the handle body 3A, the dislocation of the long screw 6A in the circumferential direction is counteracted by the tooth-shaped thrust washer, so that the long screw is prevented from loosening.

The second washer 73 may be a flat washer or an elastic washer having axial elasticity, and preferably the second washer 73 is an elastic washer having axial elasticity. When the second washer 73 is an elastic washer, after the long screw 6A is screwed down, the second washer 73 can apply an elastic force to the head of the long screw 6A to abut against the long screw 6A; when the handle body 3A is subjected to an axial compression force, the second washer 73 can relieve the axial compression force to prevent the long screw 6A from loosening; and after the long screw 6A starts to loosen, the second washer 73 will bounce to make the long screw 6A keep a pressing state, ensuring the axial fastening effect. Since the long screw 6A is longer than the screw 6 and the axial misalignment distance is relatively longer when the long screw 6A is loosened due to expansion with heat or contraction with cold, the second washer 73 is preferably thicker than the first washer 73 to accommodate the larger axial misalignment and prevent the long screw 6A from loosening.

As shown in fig. 6, the present application further provides a pot, which comprises a pot body 1, a pot cover 4 and the anti-loose handle 100 in any of the above embodiments. The pan can effectively avoid the condition that the handle is not hard up or drops, uses safelyr, and uses and experiences better.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (12)

1. A check handle is detachably connected with a nut arranged on a pot body and is characterized by comprising a handle main body, a screw and a first gasket assembly, wherein the middle part of the handle main body is provided with a groove for accommodating the screw, a through hole for assembling the nut is formed in the groove, and one surface parallel to the vertical surface of the nut assembling direction is a contact surface; the first gasket assembly is sleeved on the screw, the tail of the screw penetrates through the through hole to be connected with the nut, and the head of the screw and the first gasket assembly are located in the groove; the first washer assembly has a piercing surface at an end facing the contact surface, the piercing surface piercing into the contact surface when the screw is tightened.

2. The anti-loose handle according to claim 1, wherein the first washer assembly comprises a serrated thrust washer set and a first washer, the serrated thrust washer set and the first washer are arranged in an overlapping manner, the first washer is positioned between a screw head and the serrated thrust washer set, and two ends of the serrated thrust washer set, which are far away from each other, are respectively used as penetrating faces; when the screw is tightened, the two piercing surfaces pierce the contact surface and the first washer, respectively.

3. The anti-loose handle according to claim 2, wherein the set of castellated thrust washers comprises two castellated thrust washers, the two castellated thrust washers are arranged in a stacked manner, the surfaces of the two castellated thrust washers which are in contact with each other are matching surfaces, and the surfaces of the two castellated thrust washers which are away from each other are the penetrating surfaces.

4. The anti-loosening handle according to claim 1, wherein the first washer assembly comprises a toothed thrust washer and a first washer, the toothed thrust washer is arranged in an overlapping manner with the first washer, the first washer is located between the screw head and the toothed thrust washer, the toothed thrust washer is in contact with the contact surface, and one end of the toothed thrust washer facing the contact surface is the piercing surface; the piercing surface pierces the contact surface when the screw is tightened.

5. The anti-loose handle according to claim 1, wherein the distal end of the handle body is butted with the pot body through the fire-stop ring.

6. An anti-loosening handle as claimed in any one of claims 1 to 5, further comprising a cover plate that is detachably mounted to cover the recess, and an outer periphery of the cover plate is flush with an outer periphery of the handle main body.

7. An anti-loosening handle as claimed in claim 2 or claim 4, wherein the first washer is an elastic washer having axial elasticity; alternatively, the first gasket is a flat gasket.

8. A check handle is detachably connected with a nut installed on a pot body and is characterized by comprising a handle body, a long screw and a first gasket assembly, wherein a long through hole penetrating through the handle body is formed in the handle body; the first gasket assembly is sleeved on the long screw rod, the long screw rod penetrates through the long through hole and is connected with the nut, and the head of the long screw rod and the first gasket assembly are positioned in the concave hole; an end of the first washer member facing the mounting surface has a piercing surface that pierces the mounting surface when the long screw is tightened.

9. The anti-loose handle according to claim 8, wherein the first washer assembly comprises a toothed thrust washer set and a second washer, the toothed thrust washer set and the second washer are arranged in an overlapping manner, the second washer is positioned between the head of the long screw and the toothed thrust washer set, and two ends of the toothed thrust washer set, which face away from each other, are respectively a piercing surface; when the long screw is screwed, the two penetrating surfaces respectively penetrate into the mounting surface and the second gasket.

10. A check handle as claimed in claim 9, wherein the second washer is an elastic washer having axial elasticity; alternatively, the second gasket is a flat gasket.

11. The anti-loose handle of claim 8, wherein the end of the handle body is butted with the pot body through the fire-stopping ring.

12. A cookware, characterized by comprising a pot body, a pot lid and a check handle as claimed in any one of claims 1 to 11.

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