CN210918641U

CN210918641U - Cylinder body structure of hydraulic hinge

Info

Publication number: CN210918641U
Application number: CN201921538582.3U
Authority: CN
Inventors: 邓介明; 周柳基; 胡广文
Original assignee: Individual
Current assignee: Deng Jieming; Zhou Liuji
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-07-03
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a cylinder body structure of hydraulic pressure hinge, cylinder body structure is including the fixed cylinder body and the lower cam ring that set up, form the waveform track between cylinder body and lower cam ring, waveform track 180 within range has a crest, waveform track 360 within range has two crests, and in using, the axle sleeve of piston can be according to the rotation direction of connecting the main shaft at arbitrary direction motion in the hydraulic pressure hinge, shows all can carry out the operation for all directions in hydraulic pressure hinge installation uses to form the buffering, can be used in the door of the arbitrary direction of subtend two-way opening door, installation convenient operation.

Description

Cylinder body structure of hydraulic hinge

Technical Field

The invention relates to the technical field of hydraulic pressure, in particular to a cylinder body structure of a hydraulic hinge.

Background

In order to solve the problem of sound when the door is closed, the hydraulic hinge is a good choice.

The Chinese patent with the publication number of CN103266823 discloses a spiral hydraulic hinge which is simple in structure, an upper hinge part and a lower hinge part can be integrally separated, the hydraulic part is driven to move by the displacement of an upper spiral block knob and a lower spiral block knob, the buffering is realized, and the spiral hydraulic hinge has the advantages of prolonging the service life of the hydraulic hinge, improving the buffering performance and the like. However, the technology of the patent can not control the buffering speed and is limited in use.

The hydraulic hinges in the prior art are all unidirectional hinges, and the buffer force is the inertial force generated by acceleration when a door body is closed, and the buffer force cannot resist the inertial force when the stress is large, so that the problem of buffer failure is caused.

Disclosure of Invention

The utility model provides a cylinder body structure of hydraulic pressure hinge, cylinder body structure is including fixed cylinder body and the lower cam ring that sets up, form the wave form track between cylinder body and lower cam ring.

Further, the wave track has a peak within 180 °.

Further, the wave track has two wave peaks within 360 degrees.

Furthermore, the top of the cylinder body is provided with an adjusting screw position.

Furthermore, the adjusting screw position is communicated with the inner cavity of the cylinder body through the cone valve hole.

Furthermore, a pressure relief oil way is arranged on the side wall of the conical valve hole.

Further, the outer wall of the cylinder body is respectively provided with an oil seal position and a positioning pit.

Furthermore, a groove stopping position is arranged at the wave crest position of the cam ring under the waveform track.

Furthermore, the side walls of the cylinder body and the lower cam ring are respectively provided with a positioning groove.

Further, the top of the cylinder body is provided with a magnetic particle bin.

Has the advantages that: the utility model discloses the cylinder body structure forms the track and is the wave structure, and in the use, the axle sleeve of piston can be according to the rotation direction of connecting the main shaft at the motion of arbitrary direction in the hydraulic pressure hinge, shows all can carry out the operation for all directions in hydraulic pressure hinge installation uses to form the buffering, can be used in the door of the arbitrary direction that the subtend two-way opened the door, installation convenient operation.

Drawings

FIG. 1 is a schematic view of the structure of the cylinder body of the present invention;

FIG. 2 is an exploded view of the shaft core structure of the present invention;

fig. 3 is a schematic structural view of a piston and a connecting spindle according to embodiment 2 of the present invention;

fig. 4 is a schematic structural view of a mandrel in embodiment 2 of the present invention;

fig. 5 is a schematic view of the operation of the extreme position spindle in the door opening state according to embodiment 1 of the present invention;

fig. 6 is a schematic view of two extreme positions of a hydraulic hinge according to embodiment 2 of the present invention;

1. a mandrel; 10. a housing; 11. a valve needle assembly; 111. a pressure adjusting screw; 112. a valve needle; 113. an oil valve pressure spring; 12. a cylinder body; 121. adjusting the screw position; 122. oil seal position of the cylinder body; 123. positioning a pit; 124. a wave cam; 125. a magnetic particle bin; 126. a pressure relief oil path; 127. a cone valve hole; a piston; 131. filtering the sponge; 132. piston oil seal position; 133. a one-way valve; 135. a hydraulic part; 136. a main oil way; 137. a piston body; 138. conical pits; 139. a flower part enters the oil notch; 14. a lower cam ring; 141. a sliding sleeve; 142. a sliding sleeve connecting shaft; 15. connecting the main shaft; 151. an oil inlet hole; 152. a spring adjustment groove; 153. a spring adjustment pin; 154. a convex edge; 155. a pressure steel ball ring pit; 156. oil seal position; 157. spring screw adjusting holes; 158. a shaft body; 159. a flower piece slot; 16. a main spring; 161. a hydraulic oil sump; 17. a pressure steel ball positioning piece; 171. positioning a pit; 172. a ring-shaped pit; 18. positioning a bearing sleeve; 19. a spring adjusting screw; 20. and a positioning component.

Detailed Description

The following detailed description of the embodiments of the present invention refers to the accompanying drawings.

Fig. 2 is the utility model discloses the mandrel structure explosion diagram, the utility model discloses hydraulic pressure hinge dabber 1 includes casing 10, needle subassembly 11, cylinder body 12, piston 13, lower cam ring 14, connects main shaft 15, mainspring 16, spring adjusting pin 153, pressure steel ball setting element 17, location bearing housing 18, spring adjusting screw 19, cylinder body 12, lower cam ring 14, piston 13, spring 16, connect main shaft 15, spring adjusting pin 153, pressure steel ball setting element 17, location bearing housing 18 top-down install in proper order in casing 10.

As shown in fig. 1, the outer walls of the cylinder body 12 and the lower cam ring 14 are provided with positioning grooves for fixing and positioning the cylinder body 12 and the lower cam ring 14 inside the housing 10.

The bottom of the cylinder body 12 is provided with a wave cam 124, the circumference of 180 degrees comprises a wave peak and a wave trough, in order to increase the rotation range of the hydraulic hinge, the wave cam 124 formed by two wave peaks and wave troughs can also be arranged in the circumference of 360 degrees of the bottom of the cylinder body, the top of the lower cam ring 14 is the same as the wave cam 124 in shape, the cylinder body 12 and the lower cam ring 14 are respectively and fixedly arranged in the shell 10, a wave track is formed between the cylinder body 12 and the lower cam ring 14, the bottom of the two cylinder bodies are respectively formed into a single wave peak track and a double wave peak track, the single wave peak track is provided with a wave peak and a wave trough in the half circumference of 180 degrees, the double wave peak track is provided with two wave peaks and wave troughs in the circumference of 360 degrees, wherein the wave peak is an upper dead center, the wave trough is an arc structure, the upper dead center position is used for the sliding sleeve 141 to stay when, the flower part position structure is a tooth-to-tooth meshing structure, a section of smooth structure forms a flower part oil inlet notch 139 between the piston 13 and the connecting main shaft 15, when pressure difference is generated, oil is fed from the flower part oil inlet notch 139, a sliding sleeve 141 is fixedly arranged on the piston 13 through a sliding sleeve connecting shaft 142, the sliding sleeve 141 is arranged between the cylinder body 12 and a track formed by the lower cam ring 14, displacement is generated along the track along with the movement of the piston, the single wave track is provided with the sliding sleeve 141, and the double wave track is provided with the two sliding sleeves 141. The spring adjusting pin 153 is horizontally arranged with the connecting main shaft 15 in a penetrating way, the main spring 16 is sleeved outside the piston 13 and the connecting main shaft 15 and respectively abutted against the spring adjusting pin 153 arranged at the bottom of the piston 13 and the connecting main shaft 15, a convex edge 154 is arranged on the connecting main shaft 15 and is oppositely arranged with a concave surface of the pressure steel ball positioning piece 17, steel balls are arranged between the opposite surfaces, the positioning bearing sleeve 18 is arranged at the bottom of the shell, the built-in O-shaped sleeve is sleeved on the connecting main shaft 15, the pressure steel ball positioning piece 17 and the positioning bearing sleeve 18 form a positioning assembly, the valve needle assembly 11 is screwed in the cylinder body 12, the spring adjusting screw 19 is screwed at the bottom of the connecting main shaft 15 and is abutted against the spring adjusting pin 153, and the spring adjusting screw 19 and the.

The top of the cylinder body 12 is provided with an adjusting screw position 121 for screwing the valve needle assembly 11, the valve needle assembly 11 comprises a pressure adjusting screw 111, a valve needle 112 and an oil valve pressure spring 113, the pressure adjusting screw 111 is an internal rotation adjusting bolt, the bottom of the pressure adjusting screw is provided with a spring groove, and the oil valve pressure spring 113 is arranged in the spring groove, is sleeved on the valve needle 112 and abuts against a convex edge on the valve needle 112. An adjusting screw position 121 is arranged at the top of the cylinder body 12, the adjusting screw position 121 is communicated with the inner cavity of the cylinder body through a cone valve hole 127, a pressure relief oil path 126 is arranged on the side wall of the cone valve hole 127, the pressure relief oil path 126 leads to the hydraulic oil bin 161 along the outer walls of the cylinder body 12 and the lower cam ring 14, a magnetic particle bin 125 is arranged in the inner cavity of the cylinder body 12, strong magnetic particles in oil are adsorbed in the magnetic particle bin 125, a cylinder body oil seal position 122 for preventing oil leakage and a positioning pit 123 for fixing the cylinder body 12 are arranged on the outer surface of the cylinder body 12, and an O-. The piston 13 is provided with a check valve 133, the top of the piston is provided with a conical pit 138 for placing the head of the needle after pressure relief, the conical pit 138 is used for enabling the needle valve to be opened in parallel and preventing needle point abrasion, the outer surface of the piston 13 is provided with a piston oil seal position 132, an oil path of the check valve 133 is communicated with a main oil path 136, and a filter element cotton 131 is arranged at a position communicated with the oil path of the check valve in the main oil path 136.

The connecting main shaft 15 is provided with a convex edge 154, a shaft body 158 is arranged above the convex edge 154, the bottom of the connecting main shaft 15 is provided with a spring screw adjusting hole 157 which extends to the shaft body 158, a spring adjusting groove 152 is arranged in the vertical direction of the outer surface of the shaft body 158 and is communicated with the spring screw adjusting hole 157, a spring adjusting pin 153 penetrates through the spring adjusting groove 152, and an oil seal position 156 is arranged in the spring screw adjusting hole 157 to prevent oil from leaking from the spring screw adjusting hole 157.

The positioning component 20 comprises a pressure steel ball positioning piece 17 and a positioning bearing sleeve 18, wherein an O-shaped ring arranged in the pressure steel ball positioning piece 17 is sleeved on the lower part of the connecting main shaft 15 and is opposite to the convex edge 154, the pressure steel ball is clamped in the period, a pressure steel ball ring pit 155 is arranged at the bottom of the convex edge 154 and is correspondingly arranged with a ring pit 172 on the pressure steel ball positioning piece 17, a positioning pit 171 is arranged on the outer side of the pressure steel ball positioning piece 17 and is provided with an O-shaped ring for positioning, the O-shaped ring arranged in the positioning bearing sleeve 18 is sleeved on the connecting main shaft 15 and is abutted against the inner side of the shell 1 for positioning, an oil seal position is arranged on the outer side of the positioning bearing sleeve 18. The spring adjusting screw 19 is screwed into the spring screw adjusting hole 157, and the tightness is adjusted by adjusting the pressure by screwing the position of the spring adjusting pin 153.

Example 1

As shown in fig. 2, the piston 13 is divided into two parts, the upper part is a piston body 137 installed in the inner cavity of the cylinder 12, the lower part is a hydraulic part 135, a shaft body 158 connected with the spindle 15 is provided with a flower socket 159, the hydraulic part 135 of the piston 13 and the flower socket 159 are installed in a tooth-to-tooth engagement manner, the spindle 15 is connected to rotate to drive the piston 13 to transmit, and reciprocate in the flower socket 159, a passage through which the piston 13 and the shaft body 158 are communicated is a main oil passage 136, the spindle 15 is connected to be provided with an oil inlet 151, and the oil inlet 151 is communicated with the main oil passage 136 and a hydraulic oil sump 161.

Example 2

As shown in fig. 3, another structure is installed between the piston 13 and the connecting main shaft 15, a hydraulic part 135 is fixedly connected to a shaft body 158 of the connecting main shaft 15, a flower part slot 159 is formed in the bottom of the piston 15, the hydraulic part 135 and the flower part slot 159 are installed in a tooth-to-tooth meshing manner, the connecting main shaft 15 rotates to drive the piston 13 to transmit, reciprocating motion is performed in the flower part slot 159, a main oil path 136 is formed in the piston 13, a flower part oil inlet notch 139 is formed between the hydraulic part 135 and the flower part slot 159, and hydraulic oil is pumped into the main oil path from the flower part oil inlet notch 139 under the action of pressure difference. Fig. 4 is a schematic structural view of the structure applied to the mandrel.

As shown in fig. 6, the hydraulic buffering hinge of the present invention has an upper hinge plate and a lower hinge plate sleeved outside a core shaft, a relatively rotatable device is installed between the two hinge plates, two screwing members are respectively installed on the upper and lower sides of the core shaft 1 and fixedly connected to the two hinge plates, the two screwing members are respectively fixedly installed on a cylinder body 12 and a connecting main shaft 15, and an upper end cover and a lower end cover are respectively installed on the upper and lower ends of the core shaft.

When the door is closed, the hydraulic hinge is in an initial state, the sliding sleeve stays at the top dead center of a peak of a track, a force is applied to the door when the door is opened, the hinge rotates to drive the connecting main shaft to rotate, the connecting main shaft drives the piston to rotate through the mutually meshed flower parts, the piston and the connecting main shaft rotate in the same direction, the sliding sleeve extends along the track formed between the cylinder body and the lower cam ring at the moment, the piston moves downwards to apply pressure to the main spring 16, at the moment, hydraulic oil is pumped into a main oil path from a hydraulic oil bin due to pressure difference, the filter core cotton is filtered and then released through the one-way valve, as shown in figure 5, when the sliding sleeve slides to a trough, the door is opened by 90 degrees, at the moment, the cylinder body is filled with hydraulic oil, the one-way valve is closed, the main spring 16 compresses the piston to apply an upward force to the piston, the valve needle 112 is jacked up, hydraulic oil flows back to the hydraulic oil bin from the pressure relief oil path 126, buffering is achieved, and the hydraulic effect is fast and slow. When the track is a single-wave track, both sides can be opened when the door is closed, and when the track is a double-wave track, the hydraulic hinge can be used for a door facing 180 degrees, and both sides are opened.

The universal hydraulic hinge for preventing violence of the invention drives the piston 13 to rotate and drive the sliding sleeve to move according to the track through connecting the main shaft 15 flower part position, the track is of a wave structure, the shaft sleeve can move in any direction according to the rotating direction of the connecting main shaft, the hydraulic hinge can be operated in all directions in installation and use, the positioning parts and the oil seal positions are arranged at the upper part and the lower part in the core shaft, the stability of internal parts is ensured, the oil leakage problem of the hydraulic hinge is solved, the tightness of the spring is adjusted by the arrangement of the spring adjusting screw, the main oil path, the check valve and the oil inlet hole are scientifically and reasonably designed, and the spring structure of the valve needle assembly can not generate the damage of the parts and the door body even if the force is large when the door is opened and closed by. The filter element cotton and the strong magnetic particles are arranged to filter and adsorb impurities in oil, so that smoothness of an oil path is guaranteed, the service life is prolonged, and the maintenance rate is reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The cylinder body structure of the hydraulic hinge is characterized by comprising a fixedly arranged cylinder body and a lower cam ring, and a waveform track is formed between the cylinder body and the lower cam ring.

2. The cylinder structure of claim 1, wherein said undulating path has a peak within 180 °.

3. The cylinder structure according to claim 1, wherein the wave track has two peaks within 360 °.

4. The cylinder structure of claim 1, wherein the top of the cylinder is provided with an adjusting screw position.

5. The cylinder structure of claim 4, wherein the adjusting screw is communicated with the inner cavity of the cylinder through a cone valve hole.

6. The cylinder structure according to claim 5, wherein a pressure relief oil passage is formed in a side wall of the conical valve hole.

7. The cylinder structure according to any one of claims 1 to 6, wherein the outer wall of the cylinder is provided with an oil seal position and a positioning pit respectively.

8. The cylinder structure according to claim 1, wherein the wave crest position of the cam ring of the wave track is provided with a groove stop position.

9. The cylinder structure of claim 1, wherein the cylinder and the lower cam ring have positioning grooves on their sidewalls.

10. The cylinder structure of claim 1, wherein the top of the cylinder is provided with a magnetic particle bin.