CN217603135U

CN217603135U - Combined locknut with cam jacking structure

Info

Publication number: CN217603135U
Application number: CN202221299810.8U
Authority: CN
Inventors: 徐燕
Original assignee: Zhejiang Chuangshitong Auto Parts Co ltd
Current assignee: Zhejiang Chuangshitong Auto Parts Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-18
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a take tight structure's in cam top combination locknut, including the nut body, still include extrusion mechanism and spacing ring, extrusion mechanism can dismantle the connection at nut internal side wall, the connection can be dismantled at the extrusion mechanism inside wall to the spacing ring, extrusion mechanism comprises lower fixed fixture block, extrusion spring and last fixed fixture block, extrusion spring fixed connection fixes the fixture block upper surface under, it fixes the fixture block fixed connection on the extrusion spring top to go up. Can effectively resist earthquake when connecting fixedly, avoid taking place not hard up because of the vibration power, also can push up tightly the nut after fixing with the cam simultaneously, further improve fastening effect, avoid taking place easily not hard up when using, effectively satisfy the user demand.

Description

Combined locknut with cam jacking structure

Technical Field

The utility model relates to a locknut technical field especially relates to a take tight structure in cam top's combination locknut.

Background

Bolts and nuts for screw connection are widely used for connection of parts due to their simple structure and convenient use. The bolt and the nut of the common thread are most widely applied, and after the bolt and the nut are mutually locked, the nut is easy to loosen under the action of factors such as vibration and the like, so that the connection failure is caused. In order to prevent the nut from loosening, people take many measures, such as adding an elastic retaining pad, installing a retaining pin, gluing on threads and the like, and the measures are not convenient to operate or poor in loosening prevention effect.

The patent number CN201210086570.8 discloses a combined nut which comprises a nut body and a threaded hole, wherein an annular protruding block is arranged at one end of the nut body, and an annular groove matched with the annular protruding block is formed in the other end of the nut body; the annular lug is provided with a thread; the annular groove is internally provided with a thread matched with the annular lug; the cylindrical surface of the nut body is provided with an oil guide hole; the oil guide hole extends from the annular groove to the threaded hole; according to the scheme of the invention, the annular protruding block and the annular groove are arranged on the nut, so that when the nut is used in a combined manner, the nut can be further fastened through the threaded connection of the annular protruding block and the annular groove, and the effect of combining the nuts for use is better; through set up on the nut body surface and lead the oilhole, solved and rusted the problem that can't twist off the dismantlement when the nut, can lead the downthehole injection emollient of oilhole again and solve the difficulty of rustting and can't dismantle.

This combination nut has following drawback: the combined nut of this application can not ensure fixed effect at any time when using, and when receiving the vibration power, the nut can take place vibrations to the nut that makes takes place not hard up, reduces fixed effect, and locking effect is relatively poor, can not effectively satisfy the user demand, reduces the connection effect. Therefore, the combined locknut with the cam jacking structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a take tight structure in cam top's combination locknut can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a take tight structure's in cam top combination locknut, includes the nut body, still includes extrusion mechanism and spacing ring, the connection can be dismantled at nut internal side wall to the extrusion mechanism, the connection can be dismantled at the extrusion mechanism inside wall to the spacing ring, the extrusion mechanism comprises lower fixed fixture block, extrusion spring and last fixed fixture block, extrusion spring fixed connection is fixed fixture block upper surface under, it fixes the fixture block fixed connection on the extrusion spring top to go up.

The nut further comprises a limiting groove and mounting grooves, wherein the limiting groove is formed in the nut body, and the mounting grooves are formed in two sides of the limiting groove; the limiting groove is convenient for forming the mounting groove, the locking mechanism is convenient to mount through the mounting groove, and the nut is convenient to use in a locking mode.

Furthermore, an anti-loosening mechanism is connected inside the mounting groove in a matching manner, the anti-loosening mechanism consists of a rotating rod and a cam, and the cam is mounted at the bottom end of the rotating rod; after the nut body is installed, the cam is rotated through the rotating rod, so that the contact block at the front section of the cam is abutted to the bolt of the nut body, the nut is prevented from rotating when being connected and fixed, connection looseness is avoided, and the fixing effect is ensured.

Furthermore, a connecting convex edge is fixedly connected inside the nut body; the connecting convex edge is convenient for arranging the connecting thread, so that the nut body can be conveniently connected and used in a threaded manner during installation.

Furthermore, the inner side wall of the connecting convex edge is provided with a connecting thread; the nut body and the bolt are conveniently meshed and connected through the connecting threads, and the nut body and the bolt are conveniently fixed and used.

Compared with the prior art, the utility model discloses following beneficial effect has: 1. the inner side wall of the nut body is connected with a limiting ring through an extrusion mechanism, when the nut body is installed, the limiting ring is sleeved on a bolt at present, the nut body is twisted to be connected with the bolt, meanwhile, the space between the limiting ring and the nut body is composed of a lower fixing clamping block, an extrusion spring and an upper fixing clamping block through the extrusion mechanism, the extrusion spring is clamped and fixed with the limiting ring and the nut body through the lower fixing block and the upper fixing clamping block respectively, the nut body is extruded outwards through the extrusion spring, so that the nut sports bolt is tightly attached together, looseness can be avoided when the nut sports bolt is subjected to shock force, and the connection tightness is ensured; 2. spacing recess has been seted up at the internal outer end of nut to the mounting groove has been seted up to the inside both sides of recess, install locking mechanism through the mounting groove, and locking mechanism comprises dwang and cam, and after the nut body installation, rotate the cam through the dwang, make the contact piece of cam anterior segment contradict together with the bolt that the nut was heavy, thereby avoid the nut to take place to rotate when connecting fixedly, avoid connecting not hard up, ensure fixed effect, effectively satisfy fixed demand.

Drawings

Fig. 1 is the overall structure schematic diagram of the combined locknut with the cam jacking structure of the utility model.

Fig. 2 is a schematic structural diagram of the extruding mechanism of the combined locknut with the cam jacking structure of the utility model.

Fig. 3 is the schematic structural diagram of the anti-loosening mechanism of the combined anti-loosening nut with the cam jacking structure of the utility model.

In the figure: 1. a limiting ring; 2. an extrusion mechanism; 3. a nut body; 4. connecting the convex edge; 5. connecting threads; 6. a limiting groove; 7. mounting grooves; 8. a locking mechanism; 201. a lower fixed clamping block; 202. a compression spring; 203. a clamping block is fixed on the upper part; 801. rotating the rod; 802. a cam.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a combined locknut with a cam jacking structure comprises a nut body 3, and further comprises an extruding mechanism 2 and a limiting ring 1, wherein the extruding mechanism 2 is detachably connected to the inner side wall of the nut body 3, the limiting ring 1 is detachably connected to the inner side wall of the extruding mechanism 2, the extruding mechanism 2 is composed of a lower fixed fixture block 201, an extruding spring 202 and an upper fixed fixture block 203, the extruding spring 202 is fixedly connected to the upper surface of the lower fixed fixture block 201, and the upper fixed fixture block 203 is fixedly connected to the top end of the extruding spring 202.

The nut body is characterized by further comprising a limiting groove 6 and mounting grooves 7, wherein the limiting groove 6 is formed in the nut body 3, and the mounting grooves 7 are formed in two sides of the limiting groove 6; be convenient for set up mounting groove 7 through spacing recess 6, be convenient for install locking mechanism 8 through mounting groove 7, carry out locking use when the nut of being convenient for uses.

The anti-loosening mechanism 8 is connected to the inside of the mounting groove 7 in a matching manner, the anti-loosening mechanism 8 is composed of a rotating rod 801 and a cam 802, and the cam 802 is mounted at the bottom end of the rotating rod 801; after the nut body 3 is installed, the cam 802 is rotated through the rotating rod 801, so that a contact block at the front section of the cam 802 is abutted to a heavy bolt of the nut body 3, the nut is prevented from rotating when being connected and fixed, connection looseness is avoided, and a fixing effect is ensured.

Wherein, the interior of the nut body 3 is fixedly connected with a connecting convex edge 4; the connecting convex edge 4 is convenient for being provided with the connecting thread 5 so as to facilitate the threaded connection and use when the nut body 3 is installed.

Wherein, the inner side wall of the connecting convex edge 4 is provided with a connecting thread 5; the nut body 3 and the bolt can be conveniently meshed and connected through the connecting thread 5, and the fixing and the use are convenient.

It should be noted that, the utility model relates to a take tight structure's in cam top combination lock nut, in operation, now be connected the nut body 3 with the bolt through connecting thread 5 on the 4 inside walls of chimb, thereby make both fix together, install extrusion mechanism 2 simultaneously between spacing ring 1 and nut body 3, extrusion mechanism 2 is by lower fixed fixture block 201, extrusion spring 202 and last fixed fixture block 203 are constituteed, extrusion spring 202 carries out the joint with spacing ring 1 and nut body 3 respectively through lower fixed fixture block 201 and last fixed fixture block 203 and fixes, extrude nut body 3 to the outside through extrusion spring 202, make nut body 3 educate the bolt closely laminate together, can avoid taking place not hard up when receiving the jarring force, ensure the fastening nature of connecting, spacing recess 6 has been seted up to the inside outer end of nut body 3, and mounting groove 7 has been seted up to both sides, lock mechanism 8 is installed through mounting groove 7, and lock mechanism 8 comprises dwang 801 and cam 802, after nut body 3 installs, through 801 rotation cam 802, make the anterior segment of cam 802 and the heavy bolt of nut body 3 be in the same place the fixed effect of avoiding to become flexible, thereby avoid the fixed nut to rotate the fixed effect, it effectively to take place to fix together to avoid the fixed connection.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take tight structure's in cam top combination locknut, includes nut body (3), its characterized in that still includes extrusion mechanism (2) and spacing ring (1), the connection can be dismantled at nut body (3) inside wall in extrusion mechanism (2), connection can be dismantled at extrusion mechanism (2) inside wall in spacing ring (1), extrusion mechanism (2) comprise fixed fixture block (201), extrusion spring (202) and last fixed fixture block (203) down, extrusion spring (202) fixed connection is at fixed fixture block (201) upper surface down, go up fixed fixture block (203) fixed connection on extrusion spring (202) top.

2. The combined locknut with the cam jacking structure as claimed in claim 1, wherein: the nut is characterized by further comprising a limiting groove (6) and a mounting groove (7), wherein the limiting groove (6) is formed in the nut body (3), and the mounting groove (7) is formed in two sides of the limiting groove (6).

3. The combined locknut with the cam jacking structure as claimed in claim 2, wherein: mounting groove (7) inside cooperation is connected with locking mechanism (8), locking mechanism (8) comprise dwang (801) and cam (802), install dwang (801) bottom cam (802).

4. The combined locknut with the cam jacking structure as claimed in claim 1, wherein: the interior of the nut body (3) is fixedly connected with a connecting convex edge (4).

5. The combined locknut with the cam jacking structure as claimed in claim 4, wherein: connecting thread (5) are seted up to connection chimb (4) inside wall.