CN211287012U - Tension lock - Google Patents

Abstract

An embodiment of the utility model provides a tension lock relates to the tension lock field. The tension lock comprises a base, a lock hook piece and an adjusting component, wherein the adjusting component comprises an adjusting knob, the lock hook piece is movably connected with the base, the adjusting knob is rotatably arranged on the base and is in transmission connection with the lock hook piece, and the adjusting knob is used for driving the lock hook piece to extend or shorten relative to the base. Foretell tension lock has simple structure and convenient to use's characteristics to pretightning force when can adjusting the use, thereby promote user experience.

Description

Tension lock

Technical Field

The utility model relates to a pulling force field of contracting particularly, relates to a tension lock.

Background

The existing lock hook comprises a lock hook, a base, a lock pin, a pressing plate, a liner tube, a torsion spring and the like, the length of the existing lock hook is fixed, the relative position of a lock column and the lock hook needs to be ensured when the existing lock hook is installed, the relative position influences the pre-tightening force generated by the hook-shaped lock in a locking state, and the pre-tightening force cannot be adjusted due to the limitation of product structure and installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tension lock, it has simple structure and convenient to use's characteristics to pretightning force when can adjusting the use, thereby promote user experience.

The embodiment of the utility model is realized like this:

the embodiment provides a tension lock, including base, latch hook spare and adjusting part, adjusting part includes adjust knob, latch hook spare with base swing joint, adjust knob rotationally set up in on the base to with latch hook spare transmission is connected, be used for driving latch hook spare is relative the base extension or shorten.

In an alternative embodiment, the base is provided with a mounting groove, the base is further provided with a first opening and a second opening penetrating through a side wall of the mounting groove, the adjusting knob is arranged in the mounting groove and exposed from the first opening, and the latch hook member extends out from the second opening.

In an optional embodiment, the adjusting assembly further includes at least one elastic member, the at least one elastic member is abutted between the adjusting knob and the base, and the elastic member is used for abutting the adjusting knob against a side wall of the mounting groove.

In an alternative embodiment, the adjusting knob is provided with a positioning groove for receiving an end of the elastic member.

In an alternative embodiment, the adjusting assembly further includes a steel ball fixed to an end of the elastic member and configured to be received in the positioning groove.

In an alternative embodiment, the number of the positioning grooves is multiple, and the plurality of the positioning grooves are uniformly arranged around the adjusting knob at intervals.

In an alternative embodiment, the adjusting knob is sleeved on the latch hook member and is in threaded engagement with the latch hook member.

In an alternative embodiment, the locking hook member includes a connecting portion and a locking hook portion connected to each other, and the connecting portion is provided with a thread engaged with the adjusting knob.

In an optional embodiment, the tension lock further includes a positioning pin, the positioning pin is fixedly connected to the locking hook, and a sliding groove for allowing the positioning pin to slide is provided on the base.

In an alternative embodiment, the base includes a first side wall, a second side wall and a bottom wall, the first side wall and the second side wall are oppositely disposed on two sides of the bottom wall, and the sliding groove is disposed on the first side wall and/or the second side wall.

The embodiment of the utility model provides a beneficial effect is: the base is used for installing the adjusting assembly and the locking hook piece, the adjusting knob can rotate relative to the base, and when the adjusting knob rotates, the adjusting assembly is in transmission connection with the locking hook piece, so that the movement can be transmitted to the locking hook piece and the locking hook piece is driven to move. The embodiment of the utility model provides an in, adjust knob rotates and makes latch hook spare rectilinear movement, realizes latch hook spare relative base extension or shorten. The length adjustment of the hook piece is realized by rotating the adjusting knob, and the adjusting mode is simple and has convenience in operation. The adjusting knob is simple in connection mode with the base and the locking hook piece, and the locking hook piece and the adjusting knob are simple in structure. The embodiment of the utility model provides a can adjust latch hook piece's extension length through adjust knob when using to make latch hook piece suit with current operational environment. That is to say, the embodiment of the utility model provides a have simple structure and convenient to use's characteristics to pretightning force when can adjusting the use, thereby promote user experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a tension lock according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the tension lock of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Icon: 100-tension lock; 110-a base; 112-mounting grooves; 113-a first opening; 114-a second opening; 115-a first side wall; 116-a second sidewall; 117-bottom wall; 120-a latch hook member; 121-a connecting part; 122-a latch hook portion; 130-an adjustment assembly; 131-an adjusting knob; 1311-an operation section; 1312-positioning grooves; 132-an elastic member; 133-steel balls; 140-a lock body; 150-a platen; 160-a liner tube; 170-torsion spring; 180-positioning pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present embodiment provides a tension lock 100, which has the characteristics of simple structure and convenient use, and can adjust the pretightening force during use, thereby improving the user experience.

It should be noted that the tension lock 100 provided by the embodiment of the present invention may be used in an aircraft. Of course, the present invention is not limited thereto, and the tension lock 100 may be applied to other fields.

In the embodiment of the present invention, the tension lock 100 includes a base 110, a locking hook member 120 and an adjusting assembly 130, the adjusting assembly 130 includes an adjusting knob 131, the locking hook member 120 is movably connected to the base 110, the adjusting knob 131 is rotatably disposed on the base 110 and is in transmission connection with the locking hook member 120, so as to drive the locking hook member 120 to extend or shorten relative to the base 110.

It can be understood that the base 110 is used for installing the adjusting assembly 130 and the locking hook 120, the adjusting knob 131 can rotate relative to the base 110, and when the adjusting knob 131 rotates, because the adjusting assembly 130 is in transmission connection with the locking hook 120, the movement can be transmitted to the locking hook 120 and drives the locking hook 120 to move. In the embodiment of the present invention, the adjusting knob 131 rotates to make the latch hook member 120 move linearly, so that the latch hook member 120 extends or shortens relative to the base 110.

The structure that can be adopted for the conversion between the rotational motion and the linear motion is a rack and pinion mechanism, a lead screw nut pair, a worm gear, and the like. In the embodiment of the present invention, the specific connection mode between the adjusting knob 131 and the locking hook 120 can refer to the above connection mode, which can be any one of the above connection modes.

Meanwhile, it can be understood that the length adjustment of the hook member 120 is realized by rotating the adjusting knob 131, and the adjusting manner is simple and has convenience in operation. The above-described connection between the adjustment knob 131 and the base 110 and the latch hook member 120 is simple, and the latch hook member 120 and the adjustment knob 131 are simple in their own structures.

Also, it should be noted that the tension lock 100 may further include a lock body 140, a pressing plate 150, a bushing 160 and a torsion spring 170, and the structure of which can be referred to fig. 1. The utility model discloses in, mainly improve to the structure of latch hook to increase the adjusting part 130 that can adjust latch hook extension, and can set up with reference to figure 1 to the position and the relation of connection of lock body 140, clamp plate 150, bushing pipe 160 and torsional spring 170 isotructure. That is, the present invention is not limited to this structure.

The embodiment of the utility model provides a can adjust the extension length of latch hook piece 120 through adjust knob 131 when using to make latch hook piece 120 suit with current operational environment. That is to say, the embodiment of the utility model provides a have simple structure and convenient to use's characteristics to pretightning force when can adjusting the use, thereby promote user experience.

In an alternative embodiment, the base 110 may be provided with a mounting groove 112, and at the same time, the base 110 may be provided with a first opening 113 and a second opening 114 penetrating through a side wall of the mounting groove 112, an adjustment knob 131 is disposed in the mounting groove 112 and exposed from the first opening 113, and a locking hook 120 protrudes from the second opening 114.

That is, the base 110 is provided with a mounting groove 112 for mounting the adjusting knob 131 and the locking hook 120, and it should be understood that the mounting groove 112 may be opened on the base 110, or the mounting groove 112 may be surrounded by components, which are provided on the base 110 and become a part of the base 110.

It should be noted that the first opening 113 and the second opening 114 can be located on different sides of the mounting slot 112, such as the first opening 113 located at the top of the placement position and the second opening 114 located on one side as shown in the figures.

Alternatively, an operation portion 1311 for facilitating operation, such as a protrusion or an adhesive rubber layer, which increases operation friction, is provided on the adjustment knob 131.

Alternatively, the adjusting knob 131 and the locking hook 120 may be connected by a screw thread, that is, the adjusting knob 131 and the locking hook 120 are connected by a screw nut pair, so that the protruding length of the locking hook 120 is adjusted when the adjusting knob 131 rotates.

Further, the adjusting knob 131 is sleeved on the hook member 120, and the two are connected through an external thread on the hook member 120 and an internal thread on the adjusting knob 131.

Referring to fig. 3, in an alternative embodiment, the adjusting assembly 130 may further include at least one elastic member 132, the at least one elastic member 132 is abutted between the adjusting knob 131 and the base 110, and the elastic member 132 is used for abutting the adjusting knob 131 against the side wall of the mounting groove 112.

It should be noted that, the elastic member 132 is abutted between the adjusting knob 131 and the base 110, that is, one end of the elastic member 132 is at the adjusting knob 131, and the other end is at the base 110, and the elastic member 132, the adjusting knob 131 and the base 110 can be abutted in a contact manner. The elastic member 132 is compressed between the adjustment knob 131 and the base 110 and presses the adjustment knob 131 against the sidewall of the mounting groove 112 to fix the adjustment knob 131 and improve the stability of the adjustment knob 131, and thus the stability of the hook member 120.

Alternatively, the elastic member 132 may be a compression spring.

It should be understood that the number of the elastic members 132 is at least one, and when the number of the elastic members 132 is two or more, the elastic members 132 may be disposed at regular intervals.

Further, a positioning groove 1312 may be disposed on the adjusting knob 131, and the positioning groove 1312 is used for accommodating an end of the elastic member 132.

That is, the end of the elastic member 132 can be received in the positioning groove 1312, and when the adjustment knob 131 is rotated by a certain angle, the end of the elastic member 132 is received in the positioning groove 1312. At this time, the adjusting knob 131 is abutted against the side wall of the receiving groove, and an external force is required to rotate the adjusting knob 131. That is, the positioning groove 1312 and the elastic member 132 cooperate to prevent the adjustment knob 131 from being accidentally rotated, i.e., to increase the amount of external force required to rotate the adjustment knob 131.

Furthermore, the adjusting assembly 130 may further include a steel ball 133, and the steel ball 133 is fixed to an end of the elastic member 132 and is configured to be received in the positioning groove 1312.

It should be appreciated that the steel posts are smooth surfaced to facilitate sliding within the detents 1312.

In an alternative embodiment, the number of the positioning grooves 1312 is plural, and the plural positioning grooves 1312 are uniformly spaced around the adjusting knob 131.

That is, when the adjustment knob 131 is rotated by a certain angle, the steel ball 133 can slide out of one positioning groove 1312 and slide into the other positioning groove 1312. In this embodiment, a quantitative adjustment of the angle of rotation of the adjustment knob 131 may be achieved by a detent 1312.

Alternatively, the number of the positioning grooves 1312 is six, and an angle formed between two adjacent positioning grooves 1312 is 60 degrees.

In an alternative embodiment, the adjustment knob 131 is sleeved on the hook member 120 and threadedly engaged with the hook member 120. The locking hook 120 may include a connection portion 121 and a locking hook portion 122 connected to each other, and the connection portion 121 is provided with a thread to be engaged with the adjustment knob 131.

Note that, in order to ensure the stability of the adjustment knob 131, the position where the adjustment knob 131 is engaged with the connecting portion 121 is not on the end of the connecting portion 121. And, when the protrusion distance of the locking hook part 122 is the longest, the adjusting knob 131 is also completely sleeved on the connection part 121, thereby ensuring the connection strength and the use reliability of the locking hook part 122.

In an alternative embodiment, the tension lock 100 may further include a positioning pin 180, the positioning pin 180 is fixedly connected to the latch hook 120, and the base 110 is provided with a sliding slot for the positioning pin 180 to slide.

It will be appreciated that the sliding slot ensures smooth movement of the latch member 120 during extension or contraction. The location of the runner and the dowel pin 180 may be at the other end of the latch hook portion 122. In order to secure the stability of the adjustment knob 131, the position where the adjustment knob 131 is engaged with the connection portion 121 is not on the end of the connection portion 121. And, when the protrusion distance of the locking hook part 122 is the longest, the adjusting knob 131 is also completely sleeved on the connection part 121, thereby ensuring the connection strength and the use reliability of the locking hook part 122. In this case, the positioning pin 180 may be provided on the end of the connection end.

Optionally, the base 110 may include a first sidewall 115, a second sidewall 116 and a bottom wall 117, the first sidewall 115 and the second sidewall 116 are oppositely disposed on two sides of the bottom wall 117, and the sliding groove is disposed on the first sidewall 115 and/or the second sidewall 116.

That is, the chute may be provided on at least one of the first side wall 115 and the second side wall 116. For example, on both the first side wall 115 and the second side wall 116, to ensure stability during movement.

Referring to fig. 1 to fig. 3, the beneficial effects of the embodiment of the present invention include: the base 110 is used for installing the adjusting assembly 130 and the locking hook 120, the adjusting knob 131 can rotate relative to the base 110, and when the adjusting knob 131 rotates, the adjusting assembly 130 is in transmission connection with the locking hook 120, so that the movement can be transmitted to the locking hook 120 and the locking hook 120 is driven to move. In the embodiment of the present invention, the adjusting knob 131 rotates to make the latch hook member 120 move linearly, so that the latch hook member 120 extends or shortens relative to the base 110. The length adjustment of the latch hook member 120 is realized by rotating the adjusting knob 131, and the adjusting mode is simple and convenient to operate. The above-described connection between the adjustment knob 131 and the base 110 and the latch hook member 120 is simple, and the latch hook member 120 and the adjustment knob 131 are simple in their own structures. The embodiment of the utility model provides a can adjust the extension length of latch hook piece 120 through adjust knob 131 when using to make latch hook piece 120 suit with current operational environment. That is to say, the embodiment of the utility model provides a have simple structure and convenient to use's characteristics to pretightning force when can adjusting the use, thereby promote user experience.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a tension lock, its characterized in that includes base, latch hook spare and adjusting part, adjusting part includes adjust knob, latch hook spare with base swing joint, adjust knob rotationally set up in on the base, and with latch hook spare transmission is connected, be used for driving latch hook spare is relative the base extension or shorten.

2. A tension lock according to claim 1, wherein the base is provided with a mounting slot, the base is further provided with a first opening and a second opening through a side wall of the mounting slot, the adjustment knob is disposed in the mounting slot and exposed from the first opening, and the latch hook member protrudes from the second opening.

3. The tension lock of claim 2, wherein the adjustment assembly further comprises at least one resilient member, the at least one resilient member is supported between the adjustment knob and the base, and the resilient member is configured to support the adjustment knob against a sidewall of the mounting slot.

4. The tension lock of claim 3, wherein the adjustment knob is provided with a detent for receiving an end of the resilient member.

5. The tension lock of claim 4, wherein the adjustment assembly further comprises a steel ball fixed to an end of the resilient member and adapted to be received in the detent.

6. The tension lock according to claim 4 or 5, wherein the number of the positioning grooves is plural, and the plural positioning grooves are uniformly spaced around the adjusting knob.

7. A tension lock according to any one of claims 1 to 5, wherein the adjustment knob is sleeved over the latch hook member and is threadedly engaged with the latch hook member.

8. The tension lock according to claim 7, wherein the latch hook member comprises a connecting portion and a latch hook portion connected to each other, the connecting portion being provided with a thread engaged with the adjusting knob.

9. A tension lock according to any one of claims 1-5, further comprising a positioning pin fixedly connected to the locking hook member, wherein the base is provided with a sliding groove for the positioning pin to slide.

10. The tension lock of claim 9, wherein the base includes a first side wall, a second side wall, and a bottom wall, the first side wall and the second side wall being oppositely disposed on opposite sides of the bottom wall, the runner being disposed on the first side wall and/or the second side wall.

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