Worm with mounting structure

Abstract

The utility model discloses a worm with a mounting structure, which comprises a rotating rod and a transmission component, a sleeve is sleeved on the outer side of the rotating rod, and the transmission component comprises a worm thread arranged on the outer side of the sleeve; the limiting assembly is used for fixing a bearing at the end of the rotating rod, the limiting assembly comprises a limiting strip connected to the end of the rotating rod in a penetrating mode, reinforcing parts are symmetrically arranged at the bottom of the limiting strip, fastening bolts are symmetrically connected to the top of the limiting strip in a penetrating mode, and springback parts are arranged on the outer sides of the fastening bolts; the limiting assembly is arranged at the penetrating position of the bearing and the rotating rod, the limiting strip penetrating through the end of the rotating rod in the limiting assembly and the inner side of the bearing are subjected to protruding limiting, the fastening bolt penetrates through the limiting strip and the rotating rod, fixing of the limiting strip and the rotating rod is achieved, and the springback part can prevent the fastening bolt from loosening. Compared with the integral casting of the end part of the rotating rod and the limiting strip, the mounting structure facilitates the quick separation and replacement of the limiting strip and the rotating rod after the limiting strip is worn.

Description

Technical Field

[0001] The utility model relates to the technical field of worm installation, and particularly relates to a worm with an installation structure. Background Technique

[0002] A worm is a common mechanical transmission component. It is usually a rod-shaped structure with a spiral rack on the outer side. It is generally used in combination with a worm wheel to achieve the transmission process. During the installation of the existing worm, a bearing is generally sleeved at its end to reduce the friction on the outer side of the rod. A limiting strip is integrally cast on the outer side of the end of the worm, and it is inserted into the strip-shaped groove in the middle of the bearing, so that the worm is limited by the bearing and the synchronous rotation of the worm and the bearing is realized. However, after long-term use, the limiting strip will be worn, resulting in shaking at the limiting position of the worm and the bearing, affecting the transmission use of the worm. To solve this problem, a new type of worm with an installation structure is needed. Content of the Utility Model

[0003] The purpose of the utility model is to provide a worm with an installation structure to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: A worm with an installation structure includes a rotating rod, and a sleeve is sleeved on the outer side of the rotating rod. It also includes:

[0005] A transmission component, the transmission component includes a worm thread arranged on the outer side of the sleeve, and the worm thread is used to transmit the kinetic energy of the worm;

[0006] A limiting component, the limiting component is used to fix the bearing at the end of the rotating rod. The limiting component includes a limiting strip inserted and connected to the end of the rotating rod. Reinforcing parts for increasing the friction on the outer side of the limiting strip are symmetrically arranged at the bottom of the limiting strip. Fastening bolts for fixing the rotating rod and the limiting strip are symmetrically inserted and connected to the top of the limiting strip. A rebounding part for preventing the fastening bolts from loosening is arranged on the outer side of the fastening bolts.

[0007] Preferably, the reinforcing part includes a reinforcing strip fixedly connected to the bottom of the limiting strip, and one end of the reinforcing strip is inserted and connected to the end of the rotating rod.

[0008] Preferably, the rebounding part includes a cushion ring and a compression spring sleeved on the outer side of the fastening bolt. The cushion ring is arranged on the top of the compression spring. A threaded hole for the insertion of the fastening bolt is opened at the insertion part of the rotating rod and the limiting strip.

[0009] Preferably, a movable hole for the insertion of the fastening bolt is opened at the top of the limiting strip, and the cushion ring and the compression spring are both arranged inside the movable hole.

[0010] Preferably, a locking pin is provided at the insertion part of the rotating rod and the sleeve, and the locking pin is used to fix the rotating rod and the sleeve.

[0011] Preferably, a separating ring is sleeved on the outer side of the end of the rotating rod away from the sleeve, and the separating ring is used to limit the installation position of the rotating rod.

[0012] Preferably, an installation groove is formed at the end of the rotating rod away from the sleeve, and the installation groove is used for the connection and positioning of the worm driving shaft.

[0013] The technical effects and advantages of the present utility model:

[0014] In the present utility model, a limiting component is provided at the insertion part of the bearing and the rotating rod. The limiting strip inserted at the end of the rotating rod in the limiting component is used for convex limiting with the inner side of the bearing. The fastening bolt passes through the limiting strip and the rotating rod to realize their fixation. The elastic part outside the fastening bolt can prevent the fastening bolt from loosening. Compared with the direct integral casting of the rotating rod end and the limiting strip, this installation structure facilitates the rapid separation and replacement of the limiting strip and the rotating rod after the limiting strip is worn. Brief Description of the Drawings

[0015] Figure 1 It is the first structural schematic diagram of the whole of the present utility model.

[0016] Figure 2 It is the second structural schematic diagram of the whole of the present utility model.

[0017] Figure 3 For the present utility model Figure 1 The enlarged structural view at A in.

[0018] Figure 4 It is the sectional view of the connection part between the rotating rod and the bearing of the present utility model.

[0019] Figure 5 It is the sectional view of the limiting component of the present utility model.

[0020] In the figure: 1, rotating rod; 101, movable hole; 102, installation groove; 2, sleeve; 201, worm thread; 202, locking pin; 3, limiting strip; 301, strengthening strip; 4, fastening bolt; 401, cushion ring; 402, compression spring; 5, separating ring. Detailed Description of the Embodiment

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] The present utility model provides a worm with an installation structure as shown in Figures 1-5 Figure 4, which includes a rotating rod 1. A sleeve 2 is sleeved on the outer side of the rotating rod 1, and also includes a transmission component and a limiting component;

[0023] Specifically, the transmission component includes a worm thread 201 arranged on the outer side of the sleeve 2, and the worm thread 201 is used to transmit the kinetic energy of the worm;

[0024] It should be noted that a locking pin 202 is arranged at the insertion part of the rotating rod 1 and the sleeve 2. The locking pin 202 is used to fix the rotating rod 1 and the sleeve 2. A through hole for the insertion of the locking pin 202 is opened at the insertion part of the rotating rod 1 and the sleeve 2, and the locking pin 202 is fixed by welding with a welding rod, thereby limiting the position of the sleeve 2;

[0025] Specifically, a separating ring 5 is sleeved on the outer side of the end of the rotating rod 1 away from the sleeve 2. The separating ring 5 is used to limit the installation position of the rotating rod 1. An installation groove 102 is opened at the end of the rotating rod 1 away from the sleeve 2, and the installation groove 102 is used for the connection and positioning of the worm drive shaft;

[0026] It should be noted that the insertion part of the separating ring 5 and the rotating rod 1 is fixed by welding, and the welding part is polished;

[0027] Specifically, the limiting component is used to fix the bearing at the end of the rotating rod 1. The limiting component includes a limiting strip 3 inserted and connected to the end of the rotating rod 1. Reinforcing parts for increasing the friction on the outer side of the limiting strip 3 are symmetrically arranged at the bottom of the limiting strip 3;

[0028] It should be noted that a fixing groove for the insertion of the limiting strip 3 is opened at the end of the rotating rod 1. The reinforcing part includes a reinforcing strip 301 fixedly connected to the bottom of the limiting strip 3, and one end of the reinforcing strip 301 is inserted and connected to the end of the rotating rod 1;

[0029] Specifically, both the reinforcing strip 301 and the limiting strip 3 are made of cast iron and are designed to be integrally cast. Strip-shaped grooves for the insertion of the reinforcing strip 301 are symmetrically opened on the inner wall of the fixing groove;

[0030] Fastening bolts 4 for fixing the rotating rod 1 and the limiting strip 3 are symmetrically inserted and connected to the top of the limiting strip 3. A resilient part for preventing the fastening bolts 4 from loosening is arranged on the outer side of the fastening bolts 4;

[0031] Specifically, the resilient part includes a cushion ring 401 and a compression spring 402 sleeved on the outer side of the fastening bolt 4. The cushion ring 401 is arranged on the top of the compression spring 402. A threaded hole for the insertion of the fastening bolt 4 is opened at the insertion part of the rotating rod 1 and the limiting strip 3;

[0032] It should be noted that a movable hole 101 for inserting the fastening bolt 4 is formed at the top of the limiting strip 3. The cushion ring 401 and the compression spring 402 are both arranged inside the movable hole 101. The movable hole 101 communicates with the threaded hole. The inner wall of the bottom of the movable hole 101 is provided with the same thread as the threaded hole. The cushion ring 401 can move outside the fastening bolt 4. The compressed compression spring 402 has a thrust on the fastening bolt 4, making the threaded engagement part of the fastening bolt 4 and the threaded hole in close contact, preventing the fastening bolt 4 from loosening during use;

[0033] During actual use, a limiting component is provided at the insertion part of the bearing and the rotating rod 1. The limiting strip 3 inserted at the end of the rotating rod 1 in the limiting component is used for convex limiting on the inner side of the bearing. The fastening bolt 4 is inserted through the limiting strip 3 and the rotating rod 1 to realize their fixation. The elastic return part outside the fastening bolt 4 can prevent the fastening bolt 4 from loosening. Compared with the direct integral casting of the end of the rotating rod 1 and the limiting strip 3, this installation structure facilitates the rapid separation and replacement of the limiting strip 3 and the rotating rod 1 after the limiting strip 3 is worn.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A worm with a mounting structure, comprising a rotating rod (1), the outer side of the rotating rod (1) being sleeved with a sleeve (2), characterized in that: Also includes: A transmission assembly, the transmission assembly comprising a worm thread (201) arranged on the outside of the sleeve (2), the worm thread (201) being used to transmit kinetic energy of the worm; A limit assembly, the limit assembly is used to fix the bearing at the end of the rotating rod (1), the limit assembly includes a limit bar (3) inserted and connected to the end of the rotating rod (1), the bottom of the limit bar (3) is symmetrically provided with a reinforcing portion for increasing the friction force on the outer side of the limit bar (3), the top of the limit bar (3) is symmetrically inserted and connected with a fastening bolt (4) for fixing the rotating rod (1) and the limit bar (3), and the outer side of the fastening bolt (4) is provided with a rebound portion for preventing the fastening bolt (4) from loosening.

2. A worm with a mounting structure according to claim 1, characterized in that: The reinforcement portion comprises a reinforcement strip (301) fixedly connected to the bottom of the limiting strip (3), and one end of the reinforcement strip (301) is inserted and connected to the end of the rotating rod (1).

3. A worm with a mounting structure according to claim 2, characterized in that: The rebound portion comprises a gasket (401) and a compression spring (402) which are sleeved on the outside of the fastening bolt (4); the gasket (401) is arranged on the top of the compression spring (402); and a threaded hole for the fastening bolt (4) to be inserted is provided at the insertion point of the rotating rod (1) and the limiting strip (3).

4. A worm with a mounting structure according to claim 3, characterized in that: A movable hole (101) for inserting a fastening bolt (4) is provided at the top of the limit strip (3), and the gasket (401) and the compression spring (402) are both arranged inside the movable hole (101).

5. The worm with a mounting structure according to claim 1, characterized in that: A locking pin (202) is provided at the interpenetration point between the rotating rod (1) and the sleeve (2), and the locking pin (202) is used to fix the rotating rod (1) and the sleeve (2).

6. The worm with a mounting structure according to claim 1, characterized in that: A separation ring (5) is sleeved on the outer side of one end of the rotating rod (1) away from the sleeve (2), and the separation ring (5) is used to limit the installation position of the rotating rod (1).

7. The worm with a mounting structure according to claim 6, characterized in that: An installation groove (102) is provided at one end of the rotating rod (1) away from the sleeve (2), and the installation groove (102) is used for connection and positioning of the worm drive shaft.

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