Dredger with spring clamping structure

By designing a dredger with a spring-attached structure, the combination of worm, worm gear and support spring is used to solve the locking problem of wire-type pipe dredger when protruding and retracting, and improve the safety of use.

CN223119179UActive Publication Date: 2025-07-18JIANGSU HUAJU INTELLIGENT TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422742525.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-07-18
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

When used, existing wire type pipe dredgers are inconvenient to lock the wire when extending and retracting, which can easily cause wire to slide and affect the safety of use.

Method used

A dredger with a spring-attached structure is designed. Through the combination of worm, worm gear, transmission shaft, winding frame and positioning card block, the elastic support function of the support spring is used to achieve rapid clamping and locking of the wire spring to avoid sliding.

Benefits of technology

The stability of the wire spring in the extension and retraction process is achieved, the safety of use is improved, the wire is avoided, and the safety and reliability of use is enhanced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223119179U_ABST
    Figure CN223119179U_ABST
Patent Text Reader

Abstract

The utility model discloses a dredger with a spring clamping structure, which comprises a mounting shell, a handle is fixedly arranged on the upper end face of the mounting shell, the inner side of the mounting shell is rotatably connected with a worm main body, the upper end face of the worm main body is provided with a driving mounting groove, one side of the worm main body is provided with a worm wheel main body, and the other side of the worm wheel main body is provided with a spring clamping structure. A transmission shaft is fixedly installed in the middle of the worm wheel body, a furling frame is installed on the outer side of the front end of the transmission shaft, a partition plate is installed between the furling frame and the worm wheel body, and a spiral guide seat is installed on the outer side of the furling frame; a clamping installation cover is fixedly installed on the rear end face of the installation shell, a positioning clamping block is slidably connected to the inner side of the clamping installation cover, and a transmission gear ring is installed at one end of the positioning clamping block. According to the utility model, the steel wire spring is quickly clamped and locked in the stretching or retracting state, so that the sliding of the steel wire spring can be avoided, the use effect and the use safety are effectively improved, and the mistaken touch of children is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline dredging, in particular to a dredger with a spring clamping structure. Background Technique

[0002] A pipeline dredger is a tool used to clean and dredge sewers. There are types such as wire types and pneumatic types, which are indispensable tools in modern family life. When using, attention should be paid to the power plug and avoiding motor maintenance, etc. Among them, the wire type pipeline dredger uses the flexibility and extensibility of the soft wire installed at the rear on the turntable to penetrate into the pipeline and achieve pipeline dredging and foreign object removal, so as to achieve the purpose of dredging the pipeline. The soft wire in the turntable can be replaced. Especially for pipelines that have been used for a long time, the dredger can remove accumulated garbage and dirt, prevent bacteria from breeding, and improve the home environment.

[0003] When the existing wire type pipeline dredger is in use, it is not convenient to lock the wire when it extends and retracts, which easily causes the wire to slide and affects the use safety; therefore, it does not meet the existing needs, and for this reason, we propose a dredger with a spring clamping structure. Content of the Utility Model

[0004] The purpose of the utility model is to provide a dredger with a spring clamping structure to solve the problem that when the existing wire type pipeline dredger is in use, it is not convenient to lock the wire when it extends and retracts, which easily causes the wire to slide and affects the use safety as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A dredger with a spring clamping structure, including an installation housing, a handle is fixedly arranged on the upper end surface of the installation housing, a worm main body is rotatably connected inside the installation housing, a driving installation groove is arranged on the upper end surface of the worm main body, a worm wheel main body is installed on one side of the worm main body, a transmission shaft is fixedly installed in the middle of the worm wheel main body, a winding frame is installed on the outer side of the front end of the transmission shaft, a partition plate is installed between the winding frame and the worm wheel main body, and a spiral guide seat is installed on the outer side of the winding frame;

[0006] A clamping installation cover is fixedly installed on the rear end surface of the installation housing, a positioning block is slidably connected inside the clamping installation cover, a transmission gear ring is installed at one end of the positioning block, a support spring is arranged on the lower end surface of the positioning block, and a separating rod is installed inside the support spring.

[0007] Preferably, a sealing cover is fixedly installed at the front end of the installation housing, a wire spring guide cylinder is fixedly installed in the middle of the front end surface of the sealing cover, a wire spring is wound and fixed in the middle of the winding frame, and the wire spring penetrates through the sealing cover and the wire spring guide cylinder.

[0008] Preferably, the front end of the transmission shaft passes through the transmission gear ring, the mounting shell, the worm gear body, the partition in sequence and is fixedly connected to the winding frame, the partition is fixedly connected to the mounting shell, the transmission shaft is rotatably connected to the mounting shell, the snap-on mounting cover and the partition, and the worm body and the transmission shaft are transmission-connected through the worm gear body.

[0009] Preferably, the transmission shaft is fixedly connected to the transmission gear ring, the positioning block is connected to the release rod via threads, and the positioning block is connected to the transmission gear ring via tooth meshing.

[0010] Preferably, the bottom end of the separation rod passes through the positioning block and the support spring and is slidably connected to the card-connecting mounting cover. The positioning block is connected to the card-connecting mounting cover through the support spring, and the separation rod and the positioning block slide linearly back and forth along the axis of the support spring.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. When the utility model holds the whole by the handle, the external handle is inserted into the inner side of the drive installation slot to realize manual input or external power drive, and the separation rod is pressed at the same time, so that the separation rod drives the positioning block to separate from the transmission gear ring under the guidance of the clamping installation cover, and the worm body drives the transmission shaft to rotate through the worm wheel body, and then the transmission shaft can synchronously drive the transmission gear ring and the winding frame to rotate, and the wire spring can be extended and retracted through the guidance of the spiral guide seat and the wire spring guide cylinder when the winding frame rotates forward and reverse, so as to facilitate the dredging of the pipeline;

[0013] 2. The utility model resets the separation rod and the positioning block under the elastic support of the support spring during the extension and retraction of the wire spring, and then the positioning block is clamped and installed with the transmission gear ring, so that the spring is quickly clamped and locked, thereby maintaining the stability of the wire spring when extending and storing, avoiding the wire spring from sliding when clearing the pipe and storing, and improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model as a whole;

[0016] Figure 3 This is a schematic diagram of the installation structure of the transmission gear ring of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the separation rod of the utility model.

[0018] In the figure: 1. Installation shell; 2. Sealing cover; 3. Worm body; 4. Drive installation groove; 5. Handle; 6. Snap-on installation cover; 7. Release rod; 8. Transmission shaft; 9. Wire spring guide cylinder; 10. Spiral guide seat; 11. Winding frame; 12. Worm body; 13. Partition; 14. Transmission gear ring; 15. Support spring; 16. Positioning block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figures 1 to 3 The utility model provides an embodiment: a dredge with a spring clamping structure, comprising a mounting shell 1, a handle 5 is fixedly provided on the upper end surface of the mounting shell 1, a worm body 3 is rotatably connected to the inner side of the mounting shell 1, a driving mounting groove 4 is provided on the upper end surface of the worm body 3, a worm wheel body 12 is installed on one side of the worm body 3, a transmission shaft 8 is fixedly installed in the middle of the worm wheel body 12, a winding frame 11 is installed on the outer side of the front end of the transmission shaft 8, a steel wire spring is wound and fixed in the middle of the winding frame 11, and the steel wire spring can be wound and unwound by rotating the winding frame 11;

[0021] A sealing cover 2 is fixedly installed at the front end of the mounting shell 1, a wire spring guide cylinder 9 is fixedly installed in the middle of the front end surface of the sealing cover 2, the wire spring passes through the sealing cover 2 and the wire spring guide cylinder 9, a partition 13 is installed between the winding frame 11 and the worm gear body 12, and a spiral guide seat 10 is installed on the outer side of the winding frame 11, so that the wire spring can be stably guided by the wire spring guide cylinder 9 and the spiral guide seat 10 when it is extended and retracted.

[0022] See also Figure 2 and Figure 3 A card-connected mounting cover 6 is fixedly mounted on the rear end face of the mounting shell 1, and a positioning block 16 is slidably connected to the inner side of the card-connected mounting cover 6, and a transmission ring gear 14 is mounted on one end of the positioning block 16. The front end of the transmission shaft 8 passes through the transmission ring gear 14, the mounting shell 1, the worm gear body 12, and the partition 13 in sequence and is fixedly connected to the winding frame 11. The partition 13 is fixedly connected to the mounting shell 1, and the transmission shaft 8 is rotationally connected to the mounting shell 1, the card-connected mounting cover 6 and the partition 13. The worm body 3 is transmission-connected to the transmission shaft 8 through the worm gear body 12. The worm body 3 drives the transmission shaft 8 to rotate through the worm gear body 12, and then the transmission shaft 8 can synchronously drive the transmission ring gear 14 and the winding frame 11 to rotate, and the wire spring is extended and retracted when the winding frame 11 rotates forward and reversely.

[0023] See also Figure 3 and Figure 4, a support spring 15 is provided on the lower end surface of the positioning block 16. A separating rod 7 is installed inside the support spring 15. The transmission shaft 8 is fixedly connected to the transmission gear ring 14. The positioning block 16 is threadedly connected to the separating rod 7. The positioning block 16 is connected to the transmission gear ring 14 through meshing between teeth. The bottom end of the separating rod 7 penetrates through the positioning block 16 and the support spring 15 and is slidably connected to the clamping installation cover 6. The positioning block 16 is connected to the clamping installation cover 6 through the support spring 15. The separating rod 7 and the positioning block 16 perform linear reciprocating sliding along the axis of the support spring 15. The separating rod 7 and the positioning block 16 are reset under the elastic support of the support spring 15. Furthermore, the positioning block 16 is clamped and installed with the transmission gear ring 14, realizing that the positioning block 16 locks the transmission shaft 8 through the transmission gear ring 14.

[0024] During use, wind the steel wire spring around the winding frame 11 and insert it into the inside of the steel wire spring guide cylinder 9 through the guiding of the spiral guide seat 10. Connect the worm main body 3 to the transmission shaft 8 through the worm wheel main body 12. A driving installation groove 4 is provided at the upper end of the worm main body 3. When holding the whole by the handle 5, insert the external handle into the inside of the driving installation groove 4 to realize manual input or external power drive, and at the same time press the separating rod 7;

[0025] Make the separating rod 7 drive the positioning block 16 to separate from the transmission gear ring 14 under the guiding action of the clamping installation cover 6. At this time, the support spring 15 is in a contracted state. Furthermore, the worm main body 3 drives the transmission shaft 8 to rotate through the worm wheel main body 12. Furthermore, the transmission shaft 8 can synchronously drive the transmission gear ring 14 and the winding frame 11 to rotate under the support of the installation housing 1, the clamping installation cover 6 and the partition plate 13. The steel wire spring can be extended and retracted through the guiding of the spiral guide seat 10 and the steel wire spring guide cylinder 9 when the winding frame 11 rotates forward and backward, thus facilitating the dredging of the pipeline;

[0026] During the extension and retraction of the steel wire spring, the separating rod 7 and the positioning block 16 are reset under the elastic support of the support spring 15. Furthermore, the positioning block 16 is clamped and installed with the transmission gear ring 14, realizing that the positioning block 16 locks the transmission shaft 8 through the transmission gear ring 14, thus maintaining the stability of the steel wire spring during extension and storage, avoiding the sliding of the steel wire spring during pipeline dredging and storage, and improving the use safety.

[0027] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any perspective, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A dredger with a spring clamping structure, comprising a mounting housing (1), characterized in that: A handle (5) is fixedly provided on the upper end surface of the mounting shell (1); a worm body (3) is rotatably connected to the inner side of the mounting shell (1); a drive mounting groove (4) is provided on the upper end surface of the worm body (3); a worm wheel body (12) is mounted on one side of the worm body (3); a transmission shaft (8) is fixedly mounted in the middle of the worm wheel body (12); a reeling frame (11) is mounted on the outer side of the front end of the transmission shaft (8); a partition plate (13) is mounted between the reeling frame (11) and the worm wheel body (12); and a spiral guide seat (10) is mounted on the outer side of the reeling frame (11); A clamping mounting cover (6) is fixedly mounted on the rear end surface of the mounting housing (1), a positioning block (16) is slidably connected to the inner side of the clamping mounting cover (6), a transmission gear ring (14) is mounted on one end of the positioning block (16), a support spring (15) is provided on the lower end surface of the positioning block (16), and a separation rod (7) is mounted on the inner side of the support spring (15).

2. The dredger with a spring clamping structure according to claim 1, characterized in that: A sealing cover (2) is fixedly mounted on the front end of the mounting housing (1), a wire spring guide cylinder (9) is fixedly mounted in the middle of the front end surface of the sealing cover (2), a wire spring is wound and fixed in the middle of the winding frame (11), and the wire spring passes through the sealing cover (2) and the wire spring guide cylinder (9).

3. The dredger with a spring clamping structure according to claim 1, characterized in that: The front end of the transmission shaft (8) sequentially passes through the transmission gear ring (14), the mounting housing (1), the worm wheel body (12), and the partition (13) and is fixedly connected to the reel-up frame (11); the partition (13) is fixedly connected to the mounting housing (1); the transmission shaft (8) is rotationally connected to the mounting housing (1), the clamping mounting cover (6) and the partition (13); and the worm body (3) is transmission-connected to the transmission shaft (8) via the worm wheel body (12).

4. The dredger with a spring clamping structure according to claim 1, characterized in that: The transmission shaft (8) is fixedly connected to the transmission gear ring (14), the positioning block (16) is connected to the release rod (7) via threads, and the positioning block (16) is connected to the transmission gear ring (14) via inter-tooth meshing.

5. The dredger with a spring clamping structure according to claim 1, characterized in that: The bottom end of the separation rod (7) passes through the positioning block (16) and the support spring (15) and is slidably connected to the card-jointed mounting cover (6); the positioning block (16) and the card-jointed mounting cover (6) are connected via the support spring (15); the separation rod (7) and the positioning block (16) slide linearly back and forth along the axis of the support spring (15).