CN211072397U - Height-adjustable cushion block - Google Patents
Height-adjustable cushion block Download PDFInfo
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- CN211072397U CN211072397U CN201921864176.6U CN201921864176U CN211072397U CN 211072397 U CN211072397 U CN 211072397U CN 201921864176 U CN201921864176 U CN 201921864176U CN 211072397 U CN211072397 U CN 211072397U
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Abstract
The utility model discloses a height-adjustable cushion block, which comprises a base, a sliding connecting piece and a threaded connecting piece with internal threads; the base is connected with a cylindrical body with an opening at the upper part, and the cylindrical body is provided with a connecting external thread; the sliding connecting piece is provided with a cylindrical sliding part which is suitable for being inserted into the hollow inner cavity of the cylindrical body and can axially slide through the radial limit of the cylindrical body; the outer wall of the sliding part is provided with a vertical guide groove; the internal thread of the threaded connecting piece is matched with the external connecting thread, and the threaded connecting piece is in threaded connection with the cylindrical body; the inner wall of the cylindrical body is provided with a pin hole vertical to the axis of the cylindrical body, the center line of the pin hole is intersected with the axis, and the end head of the inner side of a positioning pin arranged in the pin hole can protrude into the groove body of the guide groove; the outer wall of the sliding part is also provided with a first annular groove for clamping and embedding a retaining ring for the shaft, the outer wall of the sliding part at the upper part of the first annular groove is also provided with a second annular groove, and the inner side end of a screw screwed in by a first threaded hole formed in the inner wall of the threaded connecting piece can protrude into the groove body of the second annular groove.
Description
Technical Field
The utility model relates to a be applied to the required instrument that supports weldment of three-dimensional welded platform, specifically speaking relate to a height-adjustable cushion.
Background
When various components are welded on the three-dimensional welding workbench, the components need to be positioned and supported, and the space position coordinates of the components have randomness, so that the positioning elements need to be adapted to the characteristics of the components.
In this field, the elements of the support member are circular blocks (supports) except for the hole-based five-sided or four-sided box body, which is a right-angled support.
At present, the circular cushion block for the three-dimensional welding workbench is provided with a step adjusting cushion block for adjusting the height through a gasket with standard thickness; there are also circular cushion blocks which can realize height stepless regulation, they either have exposed screw threads during regulation, the screw threads are difficult to regulate because of welding slag splashing and adhesion, or the top end rotates along with the screw sleeve and the workpiece rotates because of rotation, or although the screw threads are not exposed, the top end is not rotated, but the top end is raised, which hinders heavy load bearing.
Disclosure of Invention
The utility model aims to solve the technical problem that a height-adjustable cushion block which can effectively avoid the adhesion of welding slag at the adjusting thread position, has good bearing performance and is easy to control the adjusting height is provided.
The technical problem to be solved can be implemented by the following technical scheme.
A height adjustable spacer, comprising:
the base is connected with a cylindrical body with an opening at the upper part, and a first connecting external thread is processed at the outer edge of the cylindrical body; and
the sliding connecting piece is provided with a cylindrical sliding part, and the sliding part is suitable for being inserted into the hollow inner cavity of the cylindrical body and can axially slide through the radial limit of the cylindrical body; the outer wall of the sliding part is provided with a vertical guide groove; and
the threaded connecting piece is provided with an internal thread, and is in threaded connection with the cylindrical body through the matching of the internal thread of the threaded connecting piece and the first connecting external thread;
the inner wall of the cylindrical body is provided with a pin hole perpendicular to the axis of the cylindrical body, the center line of the pin hole is intersected with the axis, and the inner end of a positioning pin arranged in the pin hole can protrude into the groove body of the guide groove; the outer wall of the sliding part is also provided with a first annular groove used for clamping and embedding a shaft retainer ring, the outer wall of the sliding part at the upper part of the first annular groove is also provided with a second annular groove, and the inner side end of a screw screwed in by a first threaded hole formed in the inner wall of the threaded connecting piece can protrude into the groove body of the second annular groove.
As one of the preferred embodiments of the present invention, the base has a base station, the cylindrical body is installed on the table-board of the base station, the outer circular surface of the cylindrical body is provided with an altitude scale, the scale initial position of the altitude scale is located the cylindrical body with the table-board of the base station meets the department.
As a further improvement of the present technical solution, a thread length of the internal thread of the threaded connection is not less than a thread length of the first connection external thread.
As a further improvement of the technical scheme, the pin hole is formed in the thread of the first connecting external thread.
Still as the further improvement of this technical scheme, be equipped with a second screw hole on the base.
Also as one of the preferred embodiments of the present invention, the lower opening of the second threaded hole is formed in a bottom surface of a counter bore provided in the lower portion of the base, the upper opening of the second threaded hole is formed in a top surface of a frustum, and the frustum is formed in a bottom surface of the hollow inner cavity of the cylindrical body.
Also as a further improvement of the technical scheme, the positioning pin is an elastic cylindrical pin.
As still another preferred embodiment of the present invention, the sliding connector upper portion has a flange-type end portion integrally formed with the cylindrical sliding portion.
Further, the flange hole of the flange type end head is a stepped hole with a narrow upper part and a wide lower part.
As a further improvement of the technical scheme, the side surface of the base station is provided with a first knurling pattern, and the outer vertical surface of the threaded connecting piece is provided with a second knurling pattern.
The circular cushion block with the adjustable height, which can solve the defects of the prior art, is provided by the technical scheme, the height of the cushion block is adjusted through the screw thread inside the element, and the screw thread part is not exposed, so that the adjusting screw thread is prevented from splashing and adhering welding slag. When bearing, the weak parts such as the retaining ring for the shaft and the like are not main loaded parts, and the bearing design is more reasonable. After the height is adjusted, the supporting element can be locked, so that after the supporting element is fixedly connected with other elements, the supporting element consisting of the screw rod elements is rigidly connected with the base part. A visual scale for adjusting the height difference is arranged on the further element, so that a simple judgment standard is provided for an operator.
Drawings
Fig. 1 shows the product structure (exploded view) of the height adjustable cushion block of the present invention.
Fig. 2 shows the structure of the height adjustable cushion block of the present invention.
Fig. 3 shows a schematic structural diagram of the middle base of the present invention.
Fig. 4 shows the connection relationship between the height adjustable cushion block and other elements.
Fig. 5 shows the connection relationship between the height adjustable cushion block and other elements vertically mounted on the horizontal base member.
In the figure: 11. the base, 12, an adjusting sleeve, 13, a guide sleeve, 14, a shaft retainer, 15, a set screw, 16, an elastic cylindrical pin, 111, a pin hole, 112, a threaded through hole, 113, an external thread, 114, a blind hole, 115, a blind hole, 116, an upper plane, 117, a scale, 118, a base, 119, a cylinder, 121, a threaded hole, 122, an internal thread, 123, a through hole, 124, an adjusting sleeve bottom surface, 131, an annular groove, 132, a guide groove, 133, a guide sleeve upper plane, 134, an annular groove, 135, a stepped hole, 21, a V-shaped block, 221, a threaded hole, 22, an inner hexagonal countersunk head screw, 23, a positioning sleeve, 24, a connecting screw, 25, a connecting sleeve, 40, a hole series welding workbench or other hole series base parts.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The utility model provides a general positioning tool can be used to carry out the positioning control to the component of various cross-sections in various spatial position in welding operation, has solved the operator and has adjusted the puzzlement of calculating repeatedly.
Referring to fig. 1 to 5, the adjustable pad for adjusting height mainly includes a base 11, an adjusting sleeve 12, a guide sleeve 13, a shaft retainer ring 14 (standard component), an elastic cylindrical pin 16, a socket head cap set screw 15, and the like.
The base 11 includes a base 118 and a hollow cylindrical body 119 (more specifically, a circular tube or a cylindrical structure) provided on the base, the cylindrical body 119 has a section of external threads 113 on its outer upper portion, and the threaded portion has a pin hole 111 parallel to the upper plane 116 of the base 118 (i.e., the upper surface of the base) and perpendicular to the axial direction of the cylindrical body (i.e., perpendicular to the cylindrical inner wall of the cylindrical body) for inserting the elastic cylindrical pin 16, into which the elastic cylindrical pin 16 can be inserted.
The top center of the cylinder 119 has a blind hole 114 (i.e. the hollow cavity of the cylinder) for inserting the guide sleeve 13, and the base 118 at the bottom of the blind hole 114 is provided with a tapered boss having a threaded through hole 112 at the center. The bottom of the cushion block is provided with a blind hole 115 for inserting the connecting sleeve 25 or the positioning sleeve 23 to realize the connection of the cushion block and other elements.
The outer cylindrical surface of the cylinder 119 is marked with a height scale 117, when the bottom surface 124 of the adjusting sleeve is attached to the upper plane 116 of the base 118, the scale 117 is not exposed, the height is adjusted to be zero (zero position), and when the adjusting sleeve 12 is rotated, the scale of the scale 117 is exposed, and the adjusting height difference or the height value is displayed.
The adjusting sleeve 12 is a hollow cylinder structure, and has an internal thread 122 therein, which can be screwed into the external thread 113 on the base, and a through hole 123 at the top for inserting the guide sleeve 13.
The side surface (side wall) of the adjusting sleeve is provided with a threaded hole 121, the center line of which is vertical to the through hole 123 and is parallel to the bottom surface 124 of the adjusting sleeve, and the set screw 15 can be screwed into the threaded hole.
The guide sleeve 13 has a hollow cylindrical body, and a vertical guide groove 132 opened outward is formed on the outer vertical surface of the cylindrical body inserted into the base 11. An annular groove 131 is formed in the outer vertical surface of the cylinder, which is not located at the upper portion of the guide groove 132 of the guide sleeve 13, and serves as a clamping groove for the shaft check ring, so that the shaft check ring 14 is mounted in the annular groove 131 after the guide sleeve 13 is inserted into the through hole 123 of the adjusting sleeve 12, and the guide sleeve 13 and the adjusting sleeve 12 do not axially move.
After the adjusting sleeve 12 and the guide sleeve 13 are connected by the shaft retainer 14, the open end of the guide groove 132 in the guide sleeve 13 can be aligned with the elastic cylindrical pin 16 inserted into the pin hole 111 in the base 11, so that the two can slide up and down relatively. Then, the adjusting sleeve 12 is rotated, and at this time, due to the mutual constraint between the guide groove 132 of the guide sleeve 13 and the elastic cylindrical pin 16 installed on the base 11, the guide sleeve 13 only makes an axial reciprocating motion, thereby realizing the function of height adjustment.
By adopting the technical scheme, the height-adjustable cushion block and the shaft retainer ring arranged in the cushion block do not serve as main stress elements in bearing, so that the bearing capacity of the cushion block is improved.
The top of the guide sleeve 13 is provided with a stepped hole 135 with a small upper part and a large lower part for inserting the V-shaped block 21 or other supporting elements, and when necessary, after the combination of the adjusting sleeve 12 and the guide sleeve 13 is screwed out of the base 11, the lower part of the stepped hole 135 is screwed with the hexagon socket countersunk head screw 22 (or other fasteners) into the inserting end threaded hole 221 of the V-shaped block 21, so that the three are connected into a whole.
The upper part of the guide sleeve 13 is a guide sleeve upper plane 133 which extends outwards along the cylindrical main structure and has a diameter similar to the outer diameter of the adjusting sleeve 12.
The outer circle (outer vertical surface) of the base 118 at the bottom of the base 11 and the outer circle (outer wall of the cylinder) of the adjusting sleeve 12 are both processed by knurling, so that the hand feeling and the torque during adjustment are increased.
The outer cylindrical surface of the guide sleeve 13 has an annular groove 134. After the height adjustment is completed, the socket cap set screw 15 can be screwed inwards, and the friction resistance formed between the inner end of the socket cap set screw 15 and the surface of the annular groove 134 makes the adjusting sleeve 12 unable to rotate under the condition of less than the rated torque, thereby playing the role of locking the height adjustment.
The utility model provides a locking screw (holding screw 15) can realize adjusting the operation of back locking, and the scale that increases then can realize that the difference in height-adjusting is visual. The opening design of the guide groove can lock the V-shaped block in the adjusting cushion block, so that the rigid connection between the adjustable cushion block, the V-shaped block (or other supporting elements) and a basic part (a workbench, a square box and the like) is realized, and the positioning of the V-shaped block in various postures of the space can be realized.
The use and operation steps of the height adjustable cushion will be further described with reference to the accompanying drawings.
The guide sleeve 13 is inserted into the through hole 123 of the adjusting sleeve 12 from one end of the guide groove 132, and after the guide sleeve is inserted to the bottom, the shaft retainer 14 is sleeved at one end of the guide sleeve 13 inserted into the adjusting sleeve 12, and then the shaft retainer 14 is pushed inwards until the shaft retainer 14 is clamped into the annular clamping groove 131. At this time, the adjusting sleeve 12 and the guide sleeve 13 can rotate relatively, but cannot move axially relative to each other.
The elastic cylindrical pin 16 is arranged in the pin hole 111 of the base 11, the outer end of the elastic cylindrical pin is lower than the bottom diameter of the external thread 113, and the length of the exposed part in the blind hole 114 is smaller than the depth of the guide groove 132 of the guide sleeve 13.
The open end of the guide groove 132 of the guide sleeve 13 connected with the adjusting sleeve 12 and the shaft retainer 14 is aligned with the elastic cylindrical pin 16 inserted into the base 11, the guide sleeve 13 is pushed downwards and vertically, after the internal thread 122 of the adjusting sleeve 12 is meshed with the external thread 113 of the base, the adjusting sleeve 12 is rotated, at the moment, along with the screwing-in and screwing-out of the thread, the guide sleeve 13 only does axial reciprocating motion due to the mutual constraint between the guide groove 132 on the guide sleeve 13 and the elastic cylindrical pin 16 arranged on the base 11, and the distance change between the upper plane 133 of the guide sleeve and the bottom surface of the base 11 is realized, so that the function of height adjustment is realized.
The set screw 15 is screwed into the same-specification threaded hole 121 of the adjusting sleeve 12, when the height needs to be adjusted in a locking mode, the set screw 15 is screwed, and the friction resistance generated by the end head of the inner side of the set screw 15 and the cylindrical surface where the annular groove 134 of the guide sleeve 13 is located enables the adjusting sleeve 12 and the guide sleeve 13 to be incapable of rotating under the rated torque due to the constraint of the guide groove 132 and the elastic cylindrical pin 16 installed on the base, so that the height locking effect is achieved.
As shown in fig. 3, the starting scale of the scale 117 on the cylindrical surface of the cylinder 119 is the upper plane 116 of the base 118, when the bottom surface 124 of the adjusting sleeve contacts the upper plane 116 of the base, the height of the adjustable cushion block is the lowest height, when the adjusting sleeve 12 is rotated clockwise, the scale 117 is exposed, and at this time, the overlapping position of the bottom surface 124 of the adjusting sleeve and the scale of the scale 117 is the elevation difference of the adjustable cushion block.
As shown in fig. 4, the use method of the height-adjustable cushion block which is connected with other elements to form a rigid body is shown. The height-adjustable spacer is placed on a hole-series welding workbench or other hole-series base members 40, a fastening sleeve (i.e., a positioning sleeve 23) is inserted from the back of any one hole on the hole-series welding workbench or other hole-series base members 40, then a blind hole 115 is sleeved on the exposed part of the fastening sleeve 23, a connecting screw 24 is inserted into the hole of the positioning sleeve 23 from the back, and the connecting screw is screwed into a threaded through hole 112 connected with other elements and then screwed.
The adjusting sleeve 12 is rotated counterclockwise, so that the adjusting sleeve and the guide sleeve 13 connected together are screwed out of the base 11. After screwing out, inserting the inserting end of the V-shaped block 21 (which can also support elements of other cross-section members) supporting the circular member into the stepped hole 135 of the guide sleeve 13, inserting the hexagon socket countersunk head screw 22 (or other fasteners) from the end of the stepped hole 135 of the guide sleeve, screwing into the threaded hole 221 of the inserting end of the V-shaped block, aligning the opening end of the guide groove 132 (key groove) of the guide sleeve 13 provided with the V-shaped block with the elastic cylindrical pin 16 inserted into the base 11 after screwing, vertically pushing the guide sleeve 13 together with the adjusting sleeve 12, and when the internal thread 122 of the adjusting sleeve 12 is meshed with the external thread 113 of the base, clockwise rotating the adjusting sleeve 12. In this case, the V-block 21 forms a rigid body with the base member 40 according to the present invention. Therefore, the invention and the component support thereof can realize the function of supporting the component at any position in space without falling and moving.
As shown in FIG. 5, the method for using the height adjustable cushion block on the hole-system welding workbench vertical to the horizontal plane is shown. The connecting sleeve 25 is inserted into the blind hole 115, the connecting screw 24 is inserted into the hole of the connecting sleeve 25 in the same direction, and the connecting screw is screwed into the threaded through hole 112 and then tightened. The insertion end of the connecting sleeve 25 connected with the adjusting cushion block is inserted into a corresponding hole of a hole system workbench or other hole system base pieces 40 according to positioning requirements. And the inserting end of the support of the V-shaped block 21 or other cross-section members is inserted into the stepped hole 135 of the guide sleeve, thus completing the positioning function of the invention on the horizontal plane.
In addition, the adjusting cushion block can also be used for supporting cushion blocks at any position on the horizontal table surface under the condition that the connecting sleeve 25 and the positioning sleeve 23 are not installed.
Claims (10)
1. A height adjustable spacer, comprising:
the base is connected with a cylindrical body with an opening at the upper part, and a first connecting external thread is processed at the outer edge of the cylindrical body; and
the sliding connecting piece is provided with a cylindrical sliding part, and the sliding part is suitable for being inserted into the hollow inner cavity of the cylindrical body and can axially slide through the radial limit of the cylindrical body; the outer wall of the sliding part is provided with a vertical guide groove; and
the threaded connecting piece is provided with an internal thread, and is in threaded connection with the cylindrical body through the matching of the internal thread of the threaded connecting piece and the first connecting external thread;
the inner wall of the cylindrical body is provided with a pin hole perpendicular to the axis of the cylindrical body, the center line of the pin hole is intersected with the axis, and the inner end of a positioning pin arranged in the pin hole can protrude into the groove body of the guide groove; the outer wall of the sliding part is also provided with a first annular groove used for clamping and embedding a shaft retainer ring, the outer wall of the sliding part at the upper part of the first annular groove is also provided with a second annular groove, and the inner side end of a screw screwed in by a first threaded hole formed in the inner wall of the threaded connecting piece can protrude into the groove body of the second annular groove.
2. The height-adjustable cushion block according to claim 1, wherein the base has a base, the cylindrical body is mounted on a table of the base, the outer circumferential surface of the cylindrical body is provided with a height scale, and the scale of the height scale is initially located at the joint of the cylindrical body and the table of the base.
3. The height adjustable spacer of claim 1, wherein the threaded length of the internal threads of the threaded connector is not less than the threaded length of the external threads of the first connector.
4. The height adjustable spacer of claim 1, wherein the pin hole opens at a thread of the first connecting external thread.
5. The height adjustable spacer of claim 1, wherein the base has a second threaded hole.
6. The height adjustable spacer of claim 5, wherein the lower opening of the second threaded hole is formed in a bottom surface of a counter bore formed in the lower portion of the base, and the upper opening of the second threaded hole is formed in a top surface of a frustum formed in a bottom surface of the hollow interior of the cylindrical body.
7. The height adjustable spacer of claim 1, wherein the locating pin is a resilient cylindrical pin.
8. The height adjustable spacer of claim 1, wherein the upper portion of the sliding connector has a flanged end formed integrally with the cylindrical sliding portion.
9. The height adjustable spacer of claim 8, wherein the flanged end of the flanged end is a stepped bore having a narrow top and a wide bottom.
10. The height adjustable spacer of claim 2, wherein the side surface of the base is provided with a first knurl and the outer vertical surface of the threaded connector is provided with a second knurl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864176.6U CN211072397U (en) | 2019-10-31 | 2019-10-31 | Height-adjustable cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921864176.6U CN211072397U (en) | 2019-10-31 | 2019-10-31 | Height-adjustable cushion block |
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| Publication Number | Publication Date |
|---|---|
| CN211072397U true CN211072397U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921864176.6U Active CN211072397U (en) | 2019-10-31 | 2019-10-31 | Height-adjustable cushion block |
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| CN (1) | CN211072397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635019A (en) * | 2021-08-13 | 2021-11-12 | 湖南腾智机电有限责任公司 | Tool for press-fitting rotor shaft of multi-rotary-vane vacuum pump |
| CN114076161A (en) * | 2020-08-13 | 2022-02-22 | 深圳市博思得科技发展有限公司 | Friction moment adjusting mechanism |
-
2019
- 2019-10-31 CN CN201921864176.6U patent/CN211072397U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076161A (en) * | 2020-08-13 | 2022-02-22 | 深圳市博思得科技发展有限公司 | Friction moment adjusting mechanism |
| CN114076161B (en) * | 2020-08-13 | 2023-08-29 | 深圳市博思得科技发展有限公司 | Friction moment adjusting mechanism |
| CN113635019A (en) * | 2021-08-13 | 2021-11-12 | 湖南腾智机电有限责任公司 | Tool for press-fitting rotor shaft of multi-rotary-vane vacuum pump |
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