CN210141262U - Anti-loosening assembly for hydraulic system fastener - Google Patents

Anti-loosening assembly for hydraulic system fastener Download PDF

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Publication number
CN210141262U
CN210141262U CN201920582012.8U CN201920582012U CN210141262U CN 210141262 U CN210141262 U CN 210141262U CN 201920582012 U CN201920582012 U CN 201920582012U CN 210141262 U CN210141262 U CN 210141262U
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CN
China
Prior art keywords
support ring
cam
connecting cylinder
hydraulic system
ring
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Expired - Fee Related
Application number
CN201920582012.8U
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Chinese (zh)
Inventor
曾传虎
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Luzhou Zhuoyuan Hydraulic Co Ltd
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Luzhou Zhuoyuan Hydraulic Co Ltd
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Priority to CN201920582012.8U priority Critical patent/CN210141262U/en
Application granted granted Critical
Publication of CN210141262U publication Critical patent/CN210141262U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a locking subassembly for a hydraulic system fastener, which comprises a support ring and a jacking subassembly, wherein the lower end surface of the support ring is provided with a plurality of elastic blocks, the upper end surface of the support ring is provided with a positioning ring with the axis coinciding with the axis of the support ring, and the support ring is provided with a mounting hole; the tight subassembly in top includes connecting cylinder and cam, the centre bore of connecting cylinder is the rectangular hole, and its one end is connected with the cam, and during its other end inserted the mounting hole, rotate the connecting cylinder around the axis of connecting cylinder, the biggest footpath end that enables the cam was located the outside of support ring. The utility model improves the convenience of the use of the impeller nut and the stability of the working performance; meanwhile, the anti-loosening assembly used for increasing the friction force can be rapidly disassembled and can be firmly fixed in the mounting hole.

Description

Anti-loosening assembly for hydraulic system fastener
Technical Field
The utility model relates to a water pump field, concretely relates to locking subassembly for hydraulic system fastener.
Background
The hydraulic system functions to increase the force by changing the pressure. A complete hydraulic system consists of five parts, namely a power element, an execution element, a control element, an auxiliary element and hydraulic oil. Hydraulic systems can be divided into two categories, hydraulic transmission systems and hydraulic control systems. Hydraulic drive systems have as a primary function the transmission of power and motion. Hydraulic control systems are designed to provide a hydraulic system output that meets specific performance requirements, and are generally referred to as hydraulic drive systems.
Water pumps are machines used in hydraulic systems to convey or pressurize a fluid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. Water pumps can also transport liquids, gas mixtures and liquids containing suspended solids.
The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like. The pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps, which utilize the interaction of rotating vanes with water to transfer energy, can be specifically classified into centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.
The impeller nut is also called a shaft sleeve nut, and a gasket mounting hole coaxial with the main threaded hole of the impeller nut is formed in the opening of the impeller nut. The impeller nut is mainly used for fixing an impeller of the water pump. During assembly, the impeller and the impeller baffle are sleeved on the main shaft, and then the impeller is forced by the round nut and the impeller nut. Due to the large volume of the water pump, the diameter of the impeller nut is usually about 50 mm.
Although the washer can eliminate the clearance between impeller nut and the round nut, in practical use, the impeller nut is in threaded connection with the main shaft, and the impeller nut is easy to loosen along with the vibration of the water pump and is not beneficial to fastening the impeller.
Disclosure of Invention
The utility model aims to provide a: the utility model provides a locking subassembly for hydraulic system fastener, solved when in actual use, impeller nut and main shaft threaded connection, along with the vibration of water pump, it is easy lax, is unfavorable for the fastening of impeller. The utility model discloses a locking subassembly for hydraulic system fastener can solve the problem of impeller nut laxity well. The utility model discloses the thread that has increased between impeller nut and the main shaft cooperation position when using is at the ascending pressure of main shaft axial, has increased the frictional force between the screw thread then, prevents that impeller nut from relaxing, has improved the convenience of its use and working property's stability.
The utility model adopts the technical scheme as follows:
the anti-loosening assembly for the hydraulic system fastener comprises a support ring and a jacking assembly, wherein a plurality of elastic blocks are arranged on the lower end face of the support ring, a positioning ring with the axis coincident with that of the support ring is arranged on the upper end face of the support ring, and a mounting hole is formed in the support ring;
the tight subassembly in top includes connecting cylinder and cam, the centre bore of connecting cylinder is the rectangular hole, and its one end is connected with the cam, and its other end inserts in the mounting hole, and the ascending thickness dimension d of cam in the support ring axial is less than holding ring length dimension h in the support ring axial, rotates the connecting cylinder around the axis of connecting cylinder, enables the maximum diameter end of cam and is located the outside of support ring, in the planar projection of perpendicular to support ring axis promptly, through rotating the connecting cylinder, enables the projection of the maximum diameter end of cam and is located the projected outside of support ring.
When the anti-loosening device is used, the connecting cylinder is rotated around the axis of the connecting cylinder to enable the whole cam to be positioned above the support ring, then the anti-loosening assembly designed by the utility model is fixed in the gasket mounting groove of the impeller nut, the top of the positioning ring is contacted with the bottom of the mounting hole, the bottom of the elastic block is positioned outside the impeller nut at the moment, then the connecting cylinder is rotated around the axis of the connecting cylinder to enable the maximum radial end of the cam to move to the outer side of the support ring until the cam tightly pushes against the hole wall of the mounting hole, and therefore the support ring is firmly clamped in installation; then the impeller nut is screwed on the main shaft, along with the rotation of the impeller nut, the elastic block is contacted with the round nut and is pressed to deform, so that the pressure of screw teeth at the matching part between the impeller nut and the main shaft in the axial direction of the main shaft is increased, the friction force between the screw threads is increased, the impeller nut is prevented from loosening, and the convenience in use and the stability of working performance are improved; meanwhile, due to the arrangement of the jacking assembly, the synchronism between the support ring and the impeller nut is increased, and the use stability of the anti-loosening assembly is improved.
When the anti-loose assembly needs to be detached, the connecting cylinder is rotated, so that the cam is entirely positioned above the supporting ring, and the supporting ring loses the jacking force of the cam and can freely move along the axis of the supporting ring.
When the utility model is used, the pressure of the screw teeth at the matching part between the impeller nut and the main shaft in the axial direction of the main shaft is increased, so that the friction force between the screw threads is increased, the impeller nut is prevented from loosening, and the convenience of use and the stability of working performance are improved; simultaneously, a locking subassembly for increasing frictional force can not only dismantle fast, can also firmly fix in the mounting hole, has improved the utility model discloses a convenience.
Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a locking subassembly for hydraulic system fastener has increased the screw thread of cooperation position between impeller nut and the main shaft when using and has increased the ascending pressure of main shaft axial, has then increased the frictional force between the screw thread, prevents that impeller nut from relaxing, has improved its convenience of use and working property's stability;
2. the utility model discloses a locking subassembly for hydraulic system fastener, during the installation, rotate the connecting cylinder around the axis of connecting cylinder, make the biggest footpath end of cam move to the outside of support ring, until the pore wall of tight mounting hole of cam top, thereby firmly block the support ring in the installation; when the connecting cylinder is disassembled, the connecting cylinder is rotated to enable the whole cam to be positioned above the supporting ring, so that the supporting ring loses the jacking force of the cam and can freely move along the axis of the supporting ring; therefore, the anti-loosening assembly for increasing the friction force can be quickly disassembled and also can be firmly fixed in the mounting hole, so that the use convenience of the utility model is improved;
3. the utility model discloses a locking subassembly for hydraulic system fastener because h-d is greater than zero, consequently when rotating the cam, it only receives the resistance that comes from the mounting hole pore wall, and its top does not contact with the hole bottom of mounting hole, frictional force when having reduced the rotation cam
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 that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a schematic longitudinal sectional structure of the present invention;
FIG. 4 is a longitudinal cross-sectional structural view of the support ring;
FIG. 5 is a top view of the support ring with the anti-loosening assembly removed;
FIG. 6 is a top view of the support ring with the anti-loosening assembly installed;
fig. 7 is a schematic structural view of the present invention in use.
Reference numerals in the drawings indicate:
1-support ring, 2-elastic block, 3-mounting hole, 4-connecting cylinder, 5-cam, 6-positioning ring and 7-central hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the 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 embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 7.
Example 1
As shown in fig. 1-7, the anti-loosening assembly for a hydraulic system fastener of the present invention comprises a support ring 1 and a tightening assembly, wherein a plurality of elastic blocks 2 are arranged on the lower end surface of the support ring 1, a positioning ring 6 whose axis coincides with the axis of the support ring 1 is arranged on the upper end surface of the support ring 1, and a mounting hole 3 is arranged on the support ring 1;
the tight subassembly in top includes connecting cylinder 4 and cam 5, the centre bore 7 of connecting cylinder 4 is the rectangular hole, and its one end is connected with cam 5, and its other end inserts in mounting hole 3, and the ascending length dimension h of holding ring 6 in the axial of supporting ring 1 of cam 5 thickness dimension d is less than, rotates connecting cylinder 4 around the axis of connecting cylinder 4, can make the maximum diameter end of cam 5 be located the outside of supporting ring 1, in the projection of the plane of perpendicular to supporting ring axis promptly, through rotating connecting cylinder 4, can make the projection of the maximum diameter end of cam 5 be located the outside of supporting ring 1 projection.
When the anti-loosening device is used, the connecting cylinder 4 is firstly rotated around the axis of the connecting cylinder 4, so that the whole cam 5 is positioned above the support ring 1, then the anti-loosening assembly designed by the utility model is fixed in the gasket mounting groove of the impeller nut, the top of the positioning ring 6 is contacted with the bottom of the mounting hole, at the moment, the bottom of the elastic block 2 is positioned outside the impeller nut, then the connecting cylinder 4 is rotated around the axis of the connecting cylinder 4, so that the maximum diameter end of the cam 5 moves to the outside of the support ring 1 until the cam 5 tightly pushes against the hole wall of the mounting hole, and the support ring 1 is firmly clamped in the mounting; then the impeller nut is screwed on the main shaft, along with the rotation of the impeller nut, the elastic block 2 is contacted with the round nut and is pressed to deform, thereby increasing the pressure of screw teeth at the matching part between the impeller nut and the main shaft in the axial direction of the main shaft, further increasing the friction force between the screw threads, preventing the impeller nut from loosening, and improving the convenience of use and the stability of working performance; meanwhile, due to the arrangement of the jacking assembly, the synchronism between the support ring 1 and the impeller nut is increased, and the use stability of the anti-loosening assembly is improved.
When the anti-loose assembly needs to be detached, the connecting cylinder is rotated to enable the cam 5 to be located above the supporting ring 1 in its entirety, so that the supporting ring 1 loses the jacking force of the cam and can move freely along the axis of the supporting ring 1.
When the utility model is used, the pressure of the screw teeth at the matching part between the impeller nut and the main shaft in the axial direction of the main shaft is increased, so that the friction force between the screw threads is increased, the impeller nut is prevented from loosening, and the convenience of use and the stability of working performance are improved; simultaneously, a locking subassembly for increasing frictional force can not only dismantle fast, can also firmly fix in the mounting hole, has improved the utility model discloses a convenience.
Example 2
The embodiment is to explain the number of the tightening assemblies.
As shown in fig. 1-7, in the present invention, there are two tightening assemblies and two mounting holes 3, the mounting holes 3 are symmetrical along the axis of the support ring 1, and the tightening assemblies are respectively matched with one mounting hole 3.
The stability that the support ring is fixed in the mounting hole can be improved to the tight subassembly in a plurality of tops that set up.
Example 3
The present embodiment is explained about the structure of the center hole.
As shown in fig. 6-7, in the present invention, the rectangular hole is square. When the connecting cylinder is rotated, a bar-shaped tool with the shape and the size of the cross section consistent with the shape and the size of the cross section of the central hole of the connecting cylinder is adopted, and the connecting cylinder can be easily and conveniently rotated through the matching of the bar-shaped tool and the rectangular hole.
Example 4
The present embodiment is an explanation of the implementation of the elastic block 2.
The utility model discloses in, elastic block 2 is the block rubber, and it is the hemisphere, and its plane end is connected with support ring 1.
Preferably, said elastic blocks 2 are four in number and are centrosymmetric along the axis of the support ring 1.
Example 5
The present embodiment is further explained for the structure of the abutting assembly.
As shown in the figures 1-7, in the utility model, h-d is more than 0 and less than 1 mm. Because h-d is larger than zero, when the cam is rotated, the cam only receives resistance from the wall of the mounting hole, and the top of the cam is not contacted with the bottom of the mounting hole, so that the friction force when the cam is rotated is reduced.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (6)

1. A locking subassembly for hydraulic system fastener characterized in that: the support ring comprises a support ring (1) and a jacking assembly, wherein a plurality of elastic blocks (2) are arranged on the lower end face of the support ring (1), a positioning ring (6) with the axis coincident with that of the support ring (1) is arranged on the upper end face of the support ring (1), and a mounting hole (3) is formed in the support ring (1);
the tight subassembly in top includes connecting cylinder (4) and cam (5), centre bore (7) of connecting cylinder (4) are the rectangular hole, and its one end is connected with cam (5), and its other end inserts in mounting hole (3), and cam (5) are less than holding ring (6) at the ascending length dimension h of holding ring (1) axial in the axial thickness dimension d of supporting ring (1), rotate connecting cylinder (4) around the axis of connecting cylinder (4), can make the biggest footpath end of cam (5) be located the outside of supporting ring (1).
2. The check assembly for a hydraulic system fastener of claim 1, wherein: the jacking assembly and the mounting holes (3) are both two, the mounting holes (3) are symmetrical along the axis center of the support ring (1), and the jacking assembly is respectively matched with one mounting hole (3).
3. The check assembly for a hydraulic system fastener of claim 1, wherein: the rectangular hole is square.
4. The check assembly for a hydraulic system fastener of claim 1, wherein: the elastic block (2) is a rubber block which is hemispherical, and the plane end of the elastic block is connected with the support ring (1).
5. The check assembly for a hydraulic system fastener of any one of claims 1-4, wherein: the number of the elastic blocks (2) is four, and the elastic blocks are centrosymmetric along the axis of the support ring (1).
6. The check assembly for a hydraulic system fastener of any one of claims 1-4, wherein: h-d is more than 0 and less than 1 mm.
CN201920582012.8U 2019-04-25 2019-04-25 Anti-loosening assembly for hydraulic system fastener Expired - Fee Related CN210141262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920582012.8U CN210141262U (en) 2019-04-25 2019-04-25 Anti-loosening assembly for hydraulic system fastener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920582012.8U CN210141262U (en) 2019-04-25 2019-04-25 Anti-loosening assembly for hydraulic system fastener

Publications (1)

Publication Number Publication Date
CN210141262U true CN210141262U (en) 2020-03-13

Family

ID=69732435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920582012.8U Expired - Fee Related CN210141262U (en) 2019-04-25 2019-04-25 Anti-loosening assembly for hydraulic system fastener

Country Status (1)

Country Link
CN (1) CN210141262U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200313

CF01 Termination of patent right due to non-payment of annual fee