CN211021454U - Thimble assembly and lifting upright column applied by same - Google Patents
Thimble assembly and lifting upright column applied by same Download PDFInfo
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- CN211021454U CN211021454U CN201920784615.6U CN201920784615U CN211021454U CN 211021454 U CN211021454 U CN 211021454U CN 201920784615 U CN201920784615 U CN 201920784615U CN 211021454 U CN211021454 U CN 211021454U
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Abstract
The utility model discloses a sleeve pipe assembly and a lifting upright post applied to the same, which comprises a first sleeve pipe, a second sleeve pipe, a first sliding part and a second sliding part, wherein the inner wall of the first sleeve pipe is provided with a plurality of clamping grooves which are distributed along the circumferential direction of the first sleeve pipe and extend transversely; one side of the first sliding part, which is close to the first sleeve, is provided with an annular connecting wall which is made of elastic materials and extends along the longitudinal direction of the first sleeve, and the annular connecting wall is movably inserted into an inner hole of the first sleeve; the annular connecting wall is provided with a plurality of clamping blocks which are in one-to-one corresponding clamping connection with the clamping grooves, when the annular connecting wall is inserted into the inner hole of the first sleeve, the clamping blocks are clamped in the clamping grooves corresponding to the clamping blocks, and the first sliding part is fixedly connected to the inner wall of the first sleeve. The sleeve assembly and the lifting upright post applied by the sleeve assembly are simple in structure and convenient to install.
Description
Technical Field
The utility model relates to a lift table technical field, what specifically say is a thimble assembly and lift stand of using thereof.
Background
The lifting table is an office table with adjustable height, and the height can be adjusted according to the height, sitting posture and standing posture of a person. For example, a lifting table in the prior art generally comprises an electric lifting table and a manual lifting table, wherein the electric lifting table is driven by a motor to lift, and the manual lifting table is driven by a swing handle; the electric lifting table in the prior art generally comprises a table board, a base, a driving motor and a lifting upright post, wherein the upright post is composed of at least two sleeves which are nested with each other and slide relatively. Since the sleeves slide relative to each other with a certain amount of noise due to friction, a sliding member is provided between the two sleeves nested one inside the other to reduce the friction between the two sleeves and thus the frictional noise. The sliding part is generally arranged on the inner wall of the outer sleeve and on the outer side wall of the inner sleeve; the connecting piece of the outer sleeve is generally connected to the inner wall of the sleeve, specifically, a plurality of notches are punched on the wall of the sleeve, elastic hooks are arranged on the outer side wall of the connecting piece, and when the connecting piece is inserted into the inner wall of the outer sleeve, the hooks of the connecting piece are clamped at the notches of the wall of the sleeve, so that the connecting piece is limited on the inner wall of the sleeve; the connecting piece of the inner side sleeve pipe is generally a plurality of elastic connecting blocks, the inner wall of each connecting block is provided with a clamping hook, the pipe wall of the inner side sleeve pipe is stamped with a notch, and when the connecting blocks are arranged on the outer side wall of the inner side sleeve pipe, the clamping hooks on the inner wall of each connecting block are clamped at the notches of the pipe wall of the inner side sleeve pipe. This prior art sleeve assembly, with the notch on the outer sleeve, reduces the load bearing capacity of the sleeve and results in a reduced smoothness of the outer surface of the sleeve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above prior art's defect, provide a simple structure, simple to operate's thimble assembly.
The technical solution of the utility model is to provide a thimble assembly with following structure: the sliding sleeve comprises a first sleeve, a second sleeve, a first sliding part and a second sliding part, wherein the first sleeve and the second sleeve are mutually nested and relatively slide, and a gap is formed between the inner wall of the first sleeve and the outer side wall of the second sleeve; the first sliding part is sleeved on the second sleeve and slides in a reciprocating manner along the length direction of the second sleeve, and the first sliding part is connected with the inner wall of the first sleeve; the second sliding part is connected to the outer side wall of the second sleeve and is in sliding fit with the inner wall of the first sleeve; a plurality of clamping grooves which are distributed along the circumferential direction of the first sleeve and extend transversely are arranged on the inner wall of the first sleeve; one side of the first sliding part, which is close to the first sleeve, is provided with an annular connecting wall which is made of elastic materials and extends along the longitudinal direction of the first sleeve, and the annular connecting wall is movably inserted into an inner hole of the first sleeve; the annular connecting wall is provided with a plurality of clamping blocks which are in one-to-one corresponding clamping connection with the clamping grooves, when the annular connecting wall is inserted into the inner hole of the first sleeve, the clamping blocks are clamped in the clamping grooves corresponding to the clamping blocks, and the first sliding part is fixedly connected to the inner wall of the first sleeve.
Preferably, the second sliding part comprises a plurality of connecting plates, and at least one convex connecting column is arranged on the inner side wall of each connecting plate; and a plurality of connecting holes for connecting the connecting columns of the connecting plate are formed in the circumference of the tube wall of the second sleeve, and the connecting columns of the connecting plate are connected in the connecting holes to connect the second sliding piece on the outer side wall of the second sleeve. The connecting plate passes through the spliced pole and connects in the connecting hole on second sheathed tube lateral wall, and the connecting plate distributes along second sheathed tube pipe wall circumference, and setting up of this second slider makes first sleeve and second sleeve more steady when sliding relatively.
Preferably, the connecting plates are connecting plates with cross sections being L-shaped, two inner side walls of each connecting plate are respectively provided with a convex connecting column, the second sleeve is a square sleeve, two adjacent outer side walls of the second sleeve are provided with connecting holes which are matched and connected with the connecting columns on the two inner side walls of the connecting plates, and the connecting plates are wrapped at four edges of the second sleeve and four outer side walls of the second sleeve, so that gaps between the second sleeve and the first sleeve are uniform, and smooth and stable sliding between the second sleeve and the first sleeve is ensured.
Preferably, the outer side wall of the fixture block is an arc-shaped surface with two thin ends and a thick middle part, and the clamping groove is an arc-shaped clamping groove matched with the fixture block in shape.
Preferably, the first sleeve is a square sleeve, and the annular connecting wall of the first sliding part is square and matched with the inner hole of the first sleeve in shape; the annular connecting wall is provided with a plurality of openings extending along the length direction of the annular connecting wall. The arrangement of the opening on the annular connecting wall further increases the elasticity of the annular connecting wall, so that the installation between the first sliding part and the first sleeve is more labor-saving and convenient.
After the structure more than adopting, the utility model discloses thimble assembly compares with prior art, has following advantage: the first sliding part of the sleeve assembly is clamped with the clamping groove on the inner wall of the first sleeve through a clamping block of which the outer side wall on the annular connecting wall is an arc-shaped surface with two thin ends and a thick middle part, so that the first sliding part is fixedly connected on the inner wall of the first sleeve; because the annular connecting wall is made of elastic material and has certain elasticity, when the annular connecting wall of the first sliding part is inserted into the inner hole of the first sleeve, the annular connecting wall is elastically deformed under the extrusion of the inner wall of the first sleeve, so that the clamping block on the annular connecting wall is elastically clamped in the clamping groove on the inner wall of the first sleeve. The sleeve assembly has the advantages that the noise is low when the first sleeve and the second sleeve slide relatively, and the first sliding part is more convenient, simpler and faster to mount; moreover, the outer side wall of the clamping block is an arc-shaped surface with two thin ends and a thick middle part, the clamping groove is an arc-shaped clamping groove matched with the clamping block in shape, when the clamping block is clamped in the clamping groove, on one hand, the clamping block is fixed on the first sleeve for clamping the first sliding part, on the other hand, the contact area between the clamping block and the inner wall of the first sleeve is increased, and therefore the first sliding part and the sliding part are connected more firmly and stably. The transversely extending clamping groove is formed in the inner side wall of the first sleeve, so that the pipe wall of the first sleeve is prevented from being punched, and the smoothness and the attractiveness of the outer surface of the sleeve are improved.
The utility model discloses a another technical solution is, provides a lift stand that has following structure: the lifting type vertical column comprises a lifting vertical column body, wherein one end of the vertical column body is connected with a base, a driving motor is arranged in the base, a lead screw lifting mechanism is arranged in the vertical column body, and the driving motor is used for driving the lead screw lifting mechanism to rotate so as to drive the vertical column body to lift; the upright column body is formed by sleeving at least two sleeves, the elevation of the upright column body is realized by sliding between the two adjacent sleeves, and at least two adjacent sleeves in the upright column body adopt the sleeve assembly.
Preferably, the base comprises a bottom plate fixedly connected with one end of the upright post body and a motor shell connected to the bottom plate, and a space for accommodating a motor is arranged in the motor shell; the both ends diapire of motor housing all downwardly extending is equipped with two elasticity pothooks, the both ends of bottom plate all are equipped with two bayonets that match the joint with elasticity pothook, and when the elasticity pothook joint at motor housing both ends was on the bayonet socket at bottom plate both ends, motor housing and bottom plate fixed connection.
After the structure more than adopting, the utility model discloses the lift stand compares with prior art, has following advantage: the structure of the sleeve assembly of the lifting upright post enables the assembly of the lifting upright post to be simpler and more convenient, and the noise generated when the lifting upright post performs lifting action is lower; in addition, the motor shell of the lifting stand column is very convenient to connect with the bottom plate, the elastic clamping hooks at the two ends of the motor shell are clamped on the clamping ports at the two ends of the bottom plate to realize the fixed connection of the motor shell and the bottom plate, and the fixation by connecting pieces such as screws and the like is avoided, so that the production cost is reduced, and the installation speed is increased.
Drawings
Fig. 1 is a schematic structural view of the bushing assembly of the present invention.
Fig. 2 is a schematic structural view of a first sliding member of the bushing assembly of the present invention.
Fig. 3 is a schematic view of a second sliding member of the sleeve assembly according to the present invention.
Fig. 4 is a schematic structural view of the lifting column of the present invention.
Fig. 5 is a schematic sectional view of the lifting column of the present invention.
As shown in the figure:
1. the device comprises a first sleeve, 100, a clamping groove, 2, a second sleeve, 200, a connecting hole, 3, a first sliding part, 300, an annular connecting wall, 301, a clamping block, 302, an opening, 4, a second sliding part, 400, a connecting plate, 5, an upright column body, 500, a third sleeve, 501, a screw rod, 502, a moving block, 503, a transmission pipe, 504, a square pipe, 6, a base, 600, a bottom plate, 601, a motor shell, 602, an elastic clamping hook, 603, a clamping opening, 7 and a driving motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 3;
the utility model relates to a sleeve pipe assembly, which comprises a first sleeve pipe 1, a second sleeve pipe 2, a first sliding part 3 and a second sliding part 4, wherein the first sleeve pipe 1 and the second sleeve pipe 2 are mutually nested and relatively slide, and a gap is arranged between the inner wall of the first sleeve pipe 1 and the outer side wall of the second sleeve pipe 2; the first sliding part 3 is sleeved on the second sleeve 2 and slides in a reciprocating manner along the length direction of the second sleeve 2, and the first sliding part 3 is connected with the inner wall of the first sleeve 1; the second sliding part 4 is connected to the outer side wall of the second sleeve 2, and the second sliding part 4 is in sliding fit with the inner wall of the first sleeve 1; a plurality of clamping grooves 100 which are distributed along the circumferential direction of the first sleeve 1 and extend transversely are arranged on the inner wall of the first sleeve 1; one side of the first sliding part 3 close to the first sleeve 1 is provided with an annular connecting wall 300 which is made of elastic materials and extends along the longitudinal direction of the first sleeve 1, and the annular connecting wall 300 is movably inserted into an inner hole of the first sleeve 1; a plurality of clamping blocks 301 which are correspondingly clamped with the clamping grooves 100 one by one are arranged on the annular connecting wall 300, and when the annular connecting wall 300 is inserted into the inner hole of the first sleeve 1, the clamping blocks 301 are clamped in the clamping grooves 100 corresponding to the clamping blocks, so that the first sliding part 3 is fixedly connected to the inner wall of the first sleeve 1; the outer side wall of the fixture block 301 is an arc-shaped surface with two thin ends and a thick middle part, and the clamping groove 100 is an arc-shaped clamping groove matched with the fixture block 301 in shape. The first sliding part 3 of the sleeve assembly is clamped with the clamping groove 100 on the inner wall of the first sleeve 1 through a clamping block 301, the outer side wall of which on the annular connecting wall 300 is an arc-shaped surface with two thin ends and a thick middle part, so that the first sliding part 3 is fixedly connected on the inner wall of the first sleeve 1; since the annular connecting wall 300 is made of an elastic material such as a plastic member and has a certain elasticity, when the annular connecting wall 300 of the first sliding member 3 is inserted into the inner hole of the first sleeve 1, the annular connecting wall 300 is elastically deformed under the extrusion of the inner wall of the first sleeve 1, so that the fixture blocks 301 on the annular connecting wall 300 are elastically clamped in the clamping grooves 100 on the inner wall of the first sleeve 1. The sleeve assembly has the advantages that the noise is low when the first sleeve 1 and the second sleeve 2 slide relatively, and the first sliding part 3 is more convenient, simpler and faster to mount; moreover, the outer side wall of the clamping block 301 is an arc-shaped surface with thin two ends and thick middle part, and the clamping groove 100 is an arc-shaped clamping groove matched with the clamping block 301 in shape, when the clamping block is clamped in the clamping groove, on one hand, the clamping block is fixed on the first sleeve for clamping of the first sliding part, on the other hand, the contact area between the clamping block and the inner wall of the first sleeve is increased, so that the connection between the first sliding part and the sliding part is firmer and more stable. The transversely extending clamping groove is formed in the inner side wall of the first sleeve, so that the pipe wall of the first sleeve is prevented from being punched, and the smoothness and the attractiveness of the outer surface of the sleeve are improved.
The second sliding part 4 comprises a plurality of connecting plates 400, and at least one convex connecting column 401 is arranged on the inner side wall of each connecting plate 400; the circumference of the tube wall of the second sleeve 2 is provided with a plurality of connecting holes 200 for connecting columns 401 of the connecting plate 400, and the connecting columns 401 of the connecting plate 400 are connected in the connecting holes 200 to connect the second sliding piece 4 on the outer side wall of the second sleeve 2. Each connecting plate 400 is connected in the connecting hole 200 on the outer side wall of the second sleeve 2 through the connecting column 401, the connecting plates 400 are distributed along the circumference of the tube wall of the second sleeve 2, and the arrangement of the second sliding piece 4 enables the relative sliding of the first sleeve 1 and the second sleeve 2 to be more stable.
The connecting plate 400 is a connecting plate with a cross section in the shape of L, two inner side walls of each connecting plate 400 are respectively provided with a convex connecting column 401, the second sleeve 2 is a square sleeve, and two adjacent outer side walls of the second sleeve 2 are provided with connecting holes 200 which are matched and connected with the connecting columns 401 on the two inner side walls of the connecting plate 400.
The first sleeve 1 is a square sleeve, and the annular connecting wall 300 of the first sliding part 3 is a square matched with the inner hole of the first sleeve 1; the annular connecting wall 300 is provided with a plurality of openings 302 extending along the length direction of the annular connecting wall 300. The arrangement of the opening 302 on the annular connecting wall further increases the elasticity of the annular connecting wall, so that the installation between the first sliding part and the first sleeve is more labor-saving and convenient.
As shown in fig. 4 and 5;
the utility model relates to a lifting column: the lifting type vertical column comprises a lifting vertical column body 5, wherein one end of the vertical column body 5 is connected with a base 6, a driving motor 7 is arranged in the base 6, a lead screw lifting mechanism is arranged in the vertical column body 5, and the driving motor 7 is used for driving the lead screw lifting mechanism to rotate so as to drive the vertical column body 5 to lift; the upright post body 5 is formed by sleeving at least two sleeves, the upright post body 5 can be lifted through sliding between the two adjacent sleeves, and at least two adjacent sleeves in the upright post body adopt the sleeve assembly. The upright post body 5 comprises a first sleeve 1, a second sleeve 2 and a third sleeve 500, the first sleeve 1, the second sleeve 2 and the third sleeve 500 are sequentially nested and matched in a sliding manner from outside to inside, a first sliding part 3 and a second sliding part 4 are arranged between the first sleeve 1 and the second sleeve 2 and between the second sleeve 2 and the third sleeve 500, a square pipe 504 is arranged in an inner hole of the third sleeve 500, a transmission pipe 503 with an outer side wall provided with an external thread is in clearance fit with the inner hole of the square pipe 504, a moving block 502 is in threaded connection with the transmission pipe 503, and the outer side wall of the moving block 502 is fixedly connected with the square pipe 504; a lead screw 501 is rotatably connected in the transmission pipe 503, the tail end of the lead screw 501 is coaxially connected with a sliding block 503, the sliding block 503 is in sliding fit in an inner hole of the transmission pipe 503, and a circumferential rotation limiting structure is arranged between the sliding block and the transmission pipe 503; when lead screw 501 rotates, lead screw 501 drives transmission pipe 503 and rotates to make movable block 502 and square pipe 504 go up and down along transmission pipe 503's length direction together, this square pipe 504's lower extreme and first sleeve pipe 1's lower extreme fixed connection, the in-process that removes at square pipe 504 drives first sleeve pipe 1 and takes place the lift action, this lead screw elevating system the utility model discloses do not do the detailed description, can refer to the lead screw elevating system in the publication is CN 108741625A. The structure of the sleeve assembly of the lifting stand column enables the assembly of the lifting stand column to be simpler and more convenient, and when the lifting stand column is lifted, the generated noise is lower.
The base 6 comprises a bottom plate 600 fixedly connected with one end of the upright post body 5 and a motor shell 601 connected to the bottom plate 600, and a space for accommodating the driving motor 7 is arranged in the motor shell 601; the both ends diapire of motor housing 601 all downwardly extending is equipped with two elasticity pothooks 602, the both ends of bottom plate 600 all are equipped with two bayonets 603 that match the joint with elasticity pothook 602, and when the elasticity pothook 602 joint at motor housing 601 both ends was on the bayonet 603 at bottom plate 601 both ends, motor housing 601 and bottom plate 600 fixed connection. The motor housing of the lifting stand column is very convenient to connect with the bottom plate, the elastic clamping hooks at the two ends of the motor housing are clamped on the clamping ports at the two ends of the bottom plate to fixedly connect the motor housing with the bottom plate, and the fixing by connecting pieces such as screws is avoided, so that the production cost is reduced, and the installation speed is increased.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, such as the number of the sleeves and the cross section of the sleeves, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A sleeve assembly comprises a first sleeve, a second sleeve, a first sliding piece and a second sliding piece, wherein the first sleeve and the second sleeve are nested and slide relative to each other, and a gap is formed between the inner wall of the first sleeve and the outer side wall of the second sleeve; the first sliding part is sleeved on the second sleeve and slides in a reciprocating manner along the length direction of the second sleeve, and the first sliding part is connected with the inner wall of the first sleeve; the second sliding part is connected to the outer side wall of the second sleeve and is in sliding fit with the inner wall of the first sleeve; the method is characterized in that: a plurality of clamping grooves which are distributed along the circumferential direction of the first sleeve and extend transversely are arranged on the inner wall of the first sleeve; one side of the first sliding part, which is close to the first sleeve, is provided with an annular connecting wall which is made of elastic materials and extends along the longitudinal direction of the first sleeve, and the annular connecting wall is movably inserted into an inner hole of the first sleeve; the annular connecting wall is provided with a plurality of clamping blocks which are in one-to-one corresponding clamping connection with the clamping grooves, when the annular connecting wall is inserted into the inner hole of the first sleeve, the clamping blocks are clamped in the clamping grooves corresponding to the clamping blocks, and the first sliding part is fixedly connected to the inner wall of the first sleeve.
2. A block of bushings according to claim 1, characterized in that: the second sliding part comprises a plurality of connecting plates, and the inner side wall of each connecting plate is provided with at least one convex connecting column; and a plurality of connecting holes for connecting the connecting columns of the connecting plate are formed in the circumference of the tube wall of the second sleeve, and the connecting columns of the connecting plate are connected in the connecting holes to connect the second sliding piece on the outer side wall of the second sleeve.
3. The bushing assembly according to claim 2, wherein said connecting plates are L-shaped in cross section, each connecting plate has a connecting column protruding outward from two inner sidewalls, said second bushing is a square bushing, and two adjacent outer sidewalls of said second bushings have connecting holes matching with the connecting columns on the two inner sidewalls of the connecting plates.
4. A block of bushings according to claim 1, characterized in that: the outer side wall of the fixture block is an arc-shaped surface with two thin ends and a thick middle part, and the clamping groove is an arc-shaped clamping groove matched with the shape of the fixture block.
5. A block of bushings according to claim 1, characterized in that: the first sleeve is a square sleeve, and the annular connecting wall of the first sliding part is square and matched with the inner hole of the first sleeve in shape; the annular connecting wall is provided with a plurality of openings extending along the length direction of the annular connecting wall.
6. A lifting upright post comprises a lifting upright post body, wherein one end of the upright post body is connected with a base, a driving motor is arranged in the base, a lead screw lifting mechanism is arranged in the upright post body, and the driving motor is used for driving the lead screw lifting mechanism to rotate so as to drive the upright post body to lift; the stand body cup joint each other by two at least sleeves and form, and the stand body slides through between two adjacent sleeves and realizes going up and down its characterized in that: at least two adjacent sleeves in the upright post body adopt the sleeve assembly as claimed in any one of the claims 1 to 5.
7. The lifting column of claim 6, wherein: the base comprises a bottom plate fixedly connected with one end of the upright post body and a motor shell connected to the bottom plate, and a space for accommodating a motor is arranged in the motor shell; the both ends diapire of motor housing all downwardly extending is equipped with two elasticity pothooks, the both ends of bottom plate all are equipped with two bayonets that match the joint with elasticity pothook, and when the elasticity pothook joint at motor housing both ends was on the bayonet socket at bottom plate both ends, motor housing and bottom plate fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920784615.6U CN211021454U (en) | 2019-05-28 | 2019-05-28 | Thimble assembly and lifting upright column applied by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920784615.6U CN211021454U (en) | 2019-05-28 | 2019-05-28 | Thimble assembly and lifting upright column applied by same |
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| Publication Number | Publication Date |
|---|---|
| CN211021454U true CN211021454U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920784615.6U Active CN211021454U (en) | 2019-05-28 | 2019-05-28 | Thimble assembly and lifting upright column applied by same |
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| CN (1) | CN211021454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190692A (en) * | 2021-10-09 | 2022-03-18 | 青岛问峰实业有限公司 | Lifting table |
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2019
- 2019-05-28 CN CN201920784615.6U patent/CN211021454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114190692A (en) * | 2021-10-09 | 2022-03-18 | 青岛问峰实业有限公司 | Lifting table |
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