Hand wheel structure with built-in spring
Through the design of the built-in spring handwheel structure, the clamping structure between the handwheel and the fixed rod is used to solve the problem of the lack of detachable connection in the existing technology, and manual drive and rapid disassembly are realized, which is suitable for narrow space environments. Mechanical transmission and storage requirements.
Patent Information
- Application Number
- CN202420289559.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-08
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-02-08
AI Technical Summary
The lack of a structure in the prior art to detachably connect the internal transmission mechanism to achieve manual drive makes it difficult to achieve effective transmission and storage when the space is narrow or when the mechanical volume is required.
A built-in spring handwheel structure is designed, including a fixed rod and a handwheel. Through the clamping structure between the handwheel and the fixed rod, the symmetrical setting of the limiting block, the through groove and the blind groove is used to combine the elastic parts to realize the handwheel and the The removable connection of the internal transmission mechanism allows manual drive and quick removal after the transmission is completed.
The function of manually driving the internal transmission mechanism is realized, and it can be disassembled in time after the transmission is completed, reducing the mechanical volume, and is suitable for stacking and storage in a narrow space environment.
Smart Images
Figure CN222162245U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machinery, in particular to a hand wheel structure with an internal spring. Background Art
[0002] In the prior art, in order to reduce the external volume of the machine, or when the mechanical structure needs to be installed in a narrow space, or when it is necessary to avoid damage to external components and reduce external components, the transmission mechanism is generally installed inside the machine or device to reduce the extra exposed components. When the internal transmission mechanism needs to be driven for transmission, it is necessary to detachably connect the internal transmission mechanism with the external driving member, so as to achieve the ultimate goal through the transmission of the external driving member. After the transmission is completed, it can be disassembled in time to reduce the volume of the machine or device. For example, the door leaf with the driving edge close to the wall is locked with the wall. The external driving member needs to be installed in the thickness direction of the door leaf. When the door leaves need to be stacked and stored, the external driving member can be removed for storage, and the use of a manual driving member is more convenient for controlling the transmission mechanism. However, the prior art does not have a connection structure that can detachably connect the internal transmission mechanism to achieve manual drive. Utility Model Content
[0003] In view of the deficiencies existing in the above-mentioned prior art, the utility model provides a built-in spring handwheel structure, which solves the technical problem that the prior art lacks a connection structure that can be detachably connected to the internal transmission mechanism to achieve manual drive.
[0004] The utility model discloses a built-in spring handwheel structure, comprising a fixed rod and a handwheel connected to the fixed rod, the handwheel comprising an operating part for construction personnel to rotate and operate, and a connecting part for connecting the fixed rod, the connecting part is provided with a groove for the fixed rod to be inserted, the cross sections of the groove and the fixed rod are both circular, a limit block is provided on the side wall of the groove, the fixed rod comprises a fixed section for being fixed to the head end of a transmission part inside a machine, and a mounting section away from the head end of the transmission part inside the machine, the diameter of the mounting section is larger than the fixed section, a through groove is provided on the mounting section for the limit block to slide to the fixed section, a blind groove is provided on the mounting section for the limit block to be inserted into after rotation, and the opening of the blind groove is provided on one side of the fixed section.
[0005] The structure of the built-in spring handwheel of the utility model is further improved in that the number of the limit blocks is two, and the two limit blocks are symmetrically arranged, the number of the through grooves is two, and the two through grooves are symmetrically arranged, and the number of the blind grooves is two, and the two blind grooves are symmetrically arranged.
[0006] The structure of the built-in spring handwheel of the utility model is further improved in that an elastic member with elastic force in the direction of the notch is fixed on the bottom wall of the groove.
[0007] The utility model has a further improvement in the structure of the built-in spring handwheel in that the elastic member is a spring.
[0008] The utility model has a built-in spring handwheel structure that is further improved in that the original length of the spring is smaller than the depth of the groove.
[0009] Compared with the prior art, the utility model has a positive and obvious effect. The utility model solves the technical problem that there is no connection structure in the prior art that can be detachably connected to the internal transmission mechanism to achieve manual drive through the clamping structure of the hand wheel connection part and the fixed rod. The utility model can be detachably connected to the internal transmission mechanism through the external hand wheel, so that the transmission of the internal transmission mechanism is manually driven by the hand wheel to achieve the ultimate purpose, and after the transmission is completed, it can be disassembled in time, thereby reducing the volume of the machine or device and achieving stacking and storage. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0011] Figure 1 It is a schematic diagram of the overall structure of the built-in spring handwheel structure of the utility model.
[0012] Figure 2 It is a side sectional view of the internal spring handwheel structure of the utility model when preparing for docking.
[0013] Figure 3 It is a schematic diagram of the fixing rod structure of the built-in spring handwheel structure of the utility model.
[0014] Figure 4 It is a schematic diagram of the connecting portion structure of the built-in spring handwheel structure of the utility model.
[0015] Figure 5 It is a side sectional view of the internal spring handwheel structure of the utility model when the docking pressing spring is in place.
[0016] Figure 6 It is a side sectional view of the handwheel with built-in spring handwheel structure of the utility model in the state of rotating the handwheel at 90 degrees.
[0017] Figure 7 The utility model is a side sectional view of the hand wheel structure with a built-in spring, when the spring is retracted and the hand wheel reaches a fixed state.
[0018] Figure 8This is a schematic diagram of the built-in spring handwheel structure of the utility model being installed on multiple door leaves.
[0019] Fig. 9 It is a schematic diagram of the internal spring handwheel structure of the utility model being removed from the door leaf and then stacked and stored. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] like Figure 1 to Figure 7 As shown, the utility model provides a built-in spring handwheel structure, including a fixed rod and a handwheel connected to the fixed rod, the handwheel includes an operating part 8 for construction personnel to rotate and operate, and a connecting part 9 for connecting the fixed rod, the connecting part 9 is provided with a groove 6 for the fixed rod to be inserted, the cross-sections of the groove 6 and the fixed rod are both circular, and a limit block 7 is provided on the side wall of the groove 6, the fixed rod includes a fixed plate 2 for fixing to the head end 1 of the internal transmission part of the machine, and a mounting section 3 away from the head end 1 of the internal transmission part of the machine, the diameter of the mounting section 3 is larger than the fixed plate 2, the mounting section 3 is provided with a through groove 4 for the limit block 7 to slide to the fixed plate 2, the mounting section 3 is provided with a blind groove 5 for the limit block 7 to be inserted after rotation, and the opening of the blind groove 5 is provided on one side of the fixed plate 2. Specifically, the depth of the groove 6 is greater than the length of the fixed rod. The diameter of the mounting section 3 is smaller than the diameter of the head end 1 of the internal transmission part of the machine. The operating part 8 includes a circular ring and a plurality of connecting rods fixed in the circular ring in the shape of a radiating horn. The plurality of connecting rods are gathered and fixed into a circular plate at the center of the circular ring, and the connecting part 9 is fixed to the center of the circular plate. The utility model can be detachably connected to the fixed rod through a hand wheel, so as to realize the control of the head end 1 of the internal transmission part of the machine. When the head end 1 of the internal transmission part of the machine is not needed to be controlled, it can be removed from the fixed rod, thereby reducing the impact on the appearance of other structures and facilitating storage. The head end 1 of the internal transmission part of the machine can be a worm or a screw, which can be directly connected to a reducer or a transmission direction converter, etc. Figure 8 As shown, the built-in spring handwheel structure is installed on the door leaf to manually drive the transmission parts inside the door leaf to lock the door leaf. Fig. 9 As shown, when storage is needed, the built-in spring handwheel structure can be removed to save storage space.
[0022] Preferably, Figure 3 , 4As shown, there are two limit blocks 7, which are symmetrically arranged, two through grooves 4, which are symmetrically arranged, and two blind grooves 5, which are symmetrically arranged. The symmetrically arranged limit blocks 7, through grooves 4 and blind grooves 5 can ensure the stability of the connection between the fixed rod and the groove 6, and reduce the situation of disengagement after connection. When the handwheel is connected to the fixed rod, the limit blocks 7 and the through grooves 4 slide in one by one until the position of the fixed plate 2, and then the handwheel is rotated 90 degrees to make the limit blocks 7 correspond to the openings of the blind grooves 5 one by one, and then the handwheel is pulled to the side relatively far away from the head end 1 of the internal transmission part of the machine, so that the limit block 7 is stuck in the blind groove 5, so that the rotation of the head end 1 of the internal transmission part of the machine can be controlled by rotating the handwheel.
[0023] Preferably, Figure 2 As shown, an elastic member with elastic force toward the notch is fixed on the bottom wall of the groove 6, so that when the limit block 7 is inserted into the blind groove 5, there is no need to manually pull the hand wheel back, and the limit block 7 can fall into the blind groove 5 only by relying on the elastic force of the spring 10.
[0024] Preferably, the elastic member is a spring 10. The price of the spring 10 is relatively low, which can further reduce the overall cost of the structure.
[0025] Preferably, the original length of the spring 10 is smaller than the depth of the groove 6 , so that the fixing rod can be inserted into the groove 6 more conveniently.
[0026] When the hand wheel is connected to the fixed rod, Figure 5 As shown, the limit block 7 and the through slot 4 slide into the fixed plate 2 in a one-to-one correspondence, as shown in FIG. Figure 6 As shown, the hand wheel is rotated 90 degrees to make the limit block 7 correspond to the opening of the blind groove 5 one by one, as shown in FIG. Figure 7 As shown, the limit block 7 is inserted into the blind groove 5 by the elastic force of the spring 10, so that the rotation of the head end 1 of the internal transmission part of the machine can be controlled by rotating the hand wheel.
[0027] When the handwheel needs to be removed from the fixed rod, squeeze the handwheel to contract the spring 10, so that the limit block 7 slides from the opening of the blind groove 5 into the fixed plate 2, and then rotates 90 degrees to make the limit block 7 correspond to the through groove 4 one by one, stop squeezing the handwheel, and let the elastic force of the spring 10 slide the limit block 7 out of the through groove 4, so that the handwheel is directly lifted and removed to complete the removal of the handwheel.
[0028] The utility model solves the technical problem that there is no connection structure in the prior art that can detachably connect the internal transmission mechanism to realize manual drive through the clamping structure of the hand wheel connection part and the fixed rod. The utility model can detachably connect the internal transmission mechanism through the external hand wheel, so that the transmission of the internal transmission mechanism is manually driven by the hand wheel to achieve the ultimate purpose, and after the transmission is completed, it can be disassembled in time, thereby reducing the volume of the machine or device and realizing stacking and storage.
[0029] The parts not involved in the present utility model are the same as the prior art or can be implemented by the prior art. The above is only the preferred embodiment of the present utility model, and does not limit the present utility model in any form. Although the present utility model has been disclosed as the preferred embodiment, it is not used to limit the present utility model. Any technician familiar with this profession can make some changes or modify the technical content disclosed above to an equivalent embodiment of equivalent changes without departing from the scope of the technical solution of the present utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still belongs to the scope of the technical solution of the present utility model.
Claims
1. A built-in spring handwheel structure, characterized in that: It includes a fixing rod and a handwheel connected to the fixing rod, the handwheel includes an operating part for construction personnel to rotate and operate, and a connecting part for connecting the fixing rod, the connecting part is provided with a groove for the fixing rod to be inserted, the cross-sections of the groove and the fixing rod are both circular, and a limit block is provided on the side wall of the groove, the fixing rod includes a fixing section for fixing to the head end of the internal transmission part of the machine, and an installation section away from the head end of the internal transmission part of the machine, the diameter of the installation section is larger than the fixing section, the installation section is provided with a through groove for the limit block to slide to the fixing section, the installation section is provided with a blind groove for the limit block to be inserted into after rotation, and the opening of the blind groove is provided on one side of the fixing section.
2. The internal spring handwheel structure according to claim 1, characterized in that: The number of the limit blocks is two, and the two limit blocks are symmetrically arranged. The number of the through slots is two, and the two through slots are symmetrically arranged. The number of the blind slots is two, and the two blind slots are symmetrically arranged.
3. The internal spring handwheel structure according to claim 1, characterized in that: An elastic member with elastic force toward the notch is fixed on the bottom wall of the groove.
4. The internal spring handwheel structure according to claim 3, characterized in that: The elastic member is a spring.
5. The internal spring handwheel structure according to claim 4, characterized in that: The original length of the spring is smaller than the depth of the groove.