CN219164370U - Stepping electric push rod - Google Patents
Stepping electric push rod Download PDFInfo
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- CN219164370U CN219164370U CN202223313740.XU CN202223313740U CN219164370U CN 219164370 U CN219164370 U CN 219164370U CN 202223313740 U CN202223313740 U CN 202223313740U CN 219164370 U CN219164370 U CN 219164370U
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- push rod
- block
- sliding block
- shell
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Abstract
The utility model discloses a stepping electric push rod, which comprises a mounting shell, a movable push rod and a push rod driving mechanism, wherein the movable push rod and the push rod driving mechanism are respectively mounted on the mounting shell; the push rod driving mechanism comprises a fixed bracket which is screwed on the mounting shell, wherein the fixed bracket is provided with a stepping motor and a driving screw which is connected with a power output shaft of the stepping motor, and the driving screw is screwed with a nut sliding block; the installation shell is clamped and fixed with a push rod guide block, the push rod guide block is provided with a push rod guide hole, and the movable push rod passes through the push rod guide hole of the push rod guide block from back to front; the rear end part of the movable push rod is provided with a push rod mounting hole which is opened towards the side of the nut sliding block, and a linkage optical axis which extends towards the side of the nut sliding block is embedded in the push rod mounting hole; the upper end of the nut sliding block is provided with a sliding block groove position which is opened upwards, and the end of the linkage optical axis extends into the sliding block groove position. Through the structural design, the utility model has the advantages of novel structural design and convenient and quick installation.
Description
Technical Field
The utility model relates to the technical field of electric push rods, in particular to a stepping electric push rod.
Background
The linear push rod is also called a linear push rod, and is widely applied to equipment such as a backrest lifting and massaging chair, a massaging bed, fire-fighting equipment, medical equipment, furniture and the like of an airplane, a ship and a luxury automobile seat; the linear push rod is used for playing a role of pushing, pulling and stretching.
For an electric push rod (electric linear push rod), the electric push rod can convert the rotation motion of a motor into linear motion, and is widely applied to occasions such as lens lifting, intelligent door lock switch control, valve connection and the like in the linear displacement of a precise micro device module.
Wherein, there are various electric putter products of form in the prior art; however, for the existing electric push rod products, the defects of unreasonable design and inconvenient installation generally exist.
Disclosure of Invention
The utility model aims to provide a stepping electric push rod aiming at the defects of the prior art, and the stepping electric push rod is novel in structural design and convenient and quick to install.
In order to achieve the above object, the present utility model is achieved by the following technical scheme.
A stepping electric push rod comprises a mounting shell, a movable push rod and a push rod driving mechanism, wherein the movable push rod and the push rod driving mechanism are respectively mounted on the mounting shell;
the push rod driving mechanism comprises a fixed bracket which is screwed on the mounting shell, the fixed bracket is provided with a stepping motor and a driving screw rod which is connected with a power output shaft of the stepping motor, and the driving screw rod is screwed with a nut sliding block;
the installation shell is clamped with a push rod guide block, the push rod guide block is provided with a push rod guide hole which completely penetrates through along the extending direction of the movable push rod, and the movable push rod penetrates through the push rod guide hole of the push rod guide block from back to front;
the rear end part of the movable push rod is provided with a push rod mounting hole which is opened towards the side of the nut sliding block, and a linkage optical axis which extends towards the side of the nut sliding block is embedded in the push rod mounting hole; the upper end of the nut sliding block is provided with a sliding block groove position which is opened upwards, and the end of the linkage optical axis extends into the sliding block groove position.
The installation shell comprises a shell base and a shell upper cover which is screwed on the upper end of the shell base, a shell accommodating cavity is formed between the shell base and the shell upper cover, the movable push rod and the push rod driving mechanism are respectively located in the shell accommodating cavity, the fixing support is screwed and fastened on the shell base, and the push rod guide hole is clamped and fixed between the shell base and the shell upper cover.
The shell base corresponds to the push rod guide block and is provided with a base limit groove, the shell upper cover corresponds to the push rod guide block and is provided with an upper cover limit groove, the upper end part of the push rod guide block is embedded into and limited in the upper cover limit groove, and the lower end part of the push rod guide block is embedded into and limited in the base limit groove.
The rear end part of the movable push rod is provided with a sheet-shaped induction block, and the induction block and the movable push rod are of an integrated structure;
the installation shell is provided with a groove type photoelectric switch corresponding to the induction block of the movable push rod; when the movable push rod is positioned at the initial position, the sensing block of the movable push rod is positioned in the sensing groove of the groove type photoelectric switch.
The fixed support is fixedly arranged below the driving screw, a slide block guide rod is fixedly arranged below the driving screw, a slide block guide groove which is downwards opened is formed in the lower end portion of the nut slide block, and the slide block guide rod penetrates through the slide block guide groove of the nut slide block.
The beneficial effects of the utility model are as follows: the utility model relates to a stepping electric push rod, which comprises a mounting shell, a movable push rod and a push rod driving mechanism, wherein the movable push rod and the push rod driving mechanism are respectively mounted on the mounting shell; the push rod driving mechanism comprises a fixed bracket which is screwed on the mounting shell, the fixed bracket is provided with a stepping motor and a driving screw rod which is connected with a power output shaft of the stepping motor, and the driving screw rod is screwed with a nut sliding block; the installation shell is clamped with a push rod guide block, the push rod guide block is provided with a push rod guide hole which completely penetrates through along the extending direction of the movable push rod, and the movable push rod penetrates through the push rod guide hole of the push rod guide block from back to front; the rear end part of the movable push rod is provided with a push rod mounting hole which is opened towards the side of the nut sliding block, and a linkage optical axis which extends towards the side of the nut sliding block is embedded in the push rod mounting hole; the upper end of the nut sliding block is provided with a sliding block groove position which is opened upwards, and the end of the linkage optical axis extends into the sliding block groove position. Through the structural design, the utility model has the advantages of novel structural design and convenient and quick installation.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
FIG. 3 is a schematic cross-sectional view of the present utility model.
Fig. 4 is a schematic structural view of the present utility model when the upper cover of the housing is removed.
Fig. 5 is a schematic view of a partial structure of the present utility model.
Fig. 1 to 5 include:
1-mounting a shell; 11-a housing base; 111-a base limit groove; 12-a housing upper cover; 121-an upper cover limit groove; 13-housing receiving chamber; 2-a movable push rod; 21-a pushrod mounting hole; 22-a sensing block; 3-a push rod driving mechanism; 31-fixing a bracket; 32-a stepper motor; 33-driving a screw; 34-nut slider; 341-a slide block groove position; 342-slider guide slot; 35-linkage optical axis; 36-a slider guide bar; 4-a push rod guide block; 41-a push rod guide hole; 5-slot type photoelectric switch.
Detailed Description
The utility model will be described with reference to specific embodiments.
In a first embodiment, as shown in fig. 1 to 5, a stepping electric push rod includes a mounting housing 1, a movable push rod 2, and a push rod driving mechanism 3, wherein the movable push rod 2 and the push rod driving mechanism 3 are respectively mounted on the mounting housing 1.
The push rod driving mechanism 3 comprises a fixed bracket 31 which is screwed on the installation shell 1, the fixed bracket 31 is provided with a stepping motor 32, and a driving screw 33 which is connected with a power output shaft of the stepping motor 32, and a nut sliding block 34 is screwed on the driving screw 33.
Further, the installation shell 1 is fixedly provided with a push rod guide block 4, the push rod guide block 4 is provided with a push rod guide hole 41 which completely penetrates along the extending direction of the movable push rod 2, and the movable push rod 2 penetrates through the push rod guide hole 41 of the push rod guide block 4 from back to front.
Further, a push rod mounting hole 21 which is opened towards the side of the nut sliding block 34 is formed at the rear end part of the movable push rod 2, and a linkage optical axis 35 which extends towards the side of the nut sliding block 34 is embedded in the push rod mounting hole 21; the upper end of the nut slider 34 is provided with an upwardly opened slider groove 341, and the end of the linkage optical axis 35 extends into the slider groove 341.
In the process of driving the movable push rod 2 to move back and forth by the push rod driving mechanism 3 of the first embodiment, the stepping motor 32 is energized to drive the driving screw 33 to rotate, and since the external thread of the driving screw 33 is in threaded connection with the internal thread of the nut slider 34, that is, since the nut slider 34 is in threaded connection with the driving screw 33, the nut slider 34 moves back and forth relative to the driving screw 33 under the condition that the driving screw 33 rotates, and in the process, the nut slider 34 drives the movable push rod 2 to move back and forth synchronously by the linkage optical axis 35. It should be explained that, in the process of moving the movable push rod 2 linearly back and forth, the push rod guide block 4 of the first embodiment guides the movable push rod 2 through the push rod guide hole 41 thereof, so as to ensure that the movable push rod 2 moves linearly back and forth smoothly and accurately.
It should be noted that, in the process of installing the movable push rod 2 in the first embodiment, the movable push rod 2 is first inserted into the push rod guiding hole 41 of the push rod guiding block 4 from back to front, and then the movable push rod 2 is deflected and the end of the linkage optical axis 35 of the movable push rod 2 falls into the slide block slot 341 of the nut slide block 34; for the installation mode of the movable push rod 2, the installation method has the advantage of convenience and quickness.
According to the above-mentioned circumstances, through the above-mentioned structural design, the step electric putter of this embodiment one has structural design novel, simple to operate swift advantage.
As shown in fig. 1 to 4, the second embodiment is different from the first embodiment in that: the installation shell 1 comprises a shell base 11 and a shell upper cover 12 which is screwed on the upper end part of the shell base 11, a shell accommodating cavity 13 is formed between the shell base 11 and the shell upper cover 12, the movable push rod 2 and the push rod driving mechanism 3 are respectively positioned in the shell accommodating cavity 13, the fixed support 31 is screwed and fastened on the shell base 11, and the push rod guide hole 41 is clamped and fastened between the shell base 11 and the shell upper cover 12.
Specifically, the base limiting groove 111 is formed in the casing base 11 corresponding to the push rod guide block 4, the upper cover limiting groove 121 is formed in the casing upper cover 12 corresponding to the push rod guide block 4, the upper end portion of the push rod guide block 4 is embedded into and limited in the upper cover limiting groove 121, and the lower end portion of the push rod guide block 4 is embedded into and limited in the base limiting groove 111.
In the assembly process of the step electric push rod of the second embodiment, the lower end portion of the push rod guide block 4 is aligned and inserted into the base limiting groove 111 of the housing base 11, and then the housing upper cover 12 is screwed onto the upper end portion of the housing base 11, so that the upper end portion of the push rod guide block 4 is aligned and inserted into the upper cover limiting groove 121 of the housing upper cover 12. For the installation mode of the push rod guide block 4, the push rod guide block has the advantages of convenience and rapidness in installation and accuracy in positioning.
As shown in fig. 2, 4 and 5, the third embodiment is different from the first embodiment in that: the rear end part of the movable push rod 2 is provided with a sheet-shaped sensing block 22, and the sensing block 22 and the movable push rod 2 are of an integrated structure.
In addition, a groove type photoelectric switch 5 is arranged on the installation shell 1 corresponding to the induction block 22 of the movable push rod 2; when the movable push rod 2 is located at the initial position, the sensing block 22 of the movable push rod 2 is located in the sensing groove of the groove type photoelectric switch 5.
In the process of moving the movable push rod 2 backwards and performing the reset action, after the sensing piece at the rear end part of the movable push rod 2 enters the sensing groove of the groove type photoelectric switch 5, the groove type photoelectric switch 5 obtains a signal and feeds back the signal to a corresponding controller, and the controller controls the stepping motor 32 to stop the action, so that the movable push rod 2 is accurately reset to the initial position.
As shown in fig. 2, 4 and 5, the fourth embodiment is different from the first embodiment in that: the fixed bracket 31 is fixedly provided with a slide guide bar 36 below the driving screw 33, the lower end of the nut slide 34 is provided with a slide guide groove 342 which is opened downwards, and the slide guide bar 36 passes through the slide guide groove 342 of the nut slide 34.
In the process that the stepping motor 32 drives the nut slider 34 to move back and forth through the driving screw 33, the slider guide groove 342 is matched with the slider guide rod 36, so that the nut slider 34 can be effectively ensured to move back and forth smoothly in the fourth embodiment.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (5)
1. The stepping electric push rod comprises a mounting shell (1), a movable push rod (2) and a push rod driving mechanism (3), wherein the movable push rod (2) and the push rod driving mechanism (3) are respectively mounted on the mounting shell (1);
the push rod driving mechanism (3) comprises a fixed bracket (31) which is screwed on the mounting shell (1), the fixed bracket (31) is provided with a stepping motor (32) and a driving screw (33) which is connected with a power output shaft of the stepping motor (32), and the driving screw (33) is screwed with a nut sliding block (34);
the method is characterized in that: the installation shell (1) is fixedly provided with a push rod guide block (4), the push rod guide block (4) is provided with a push rod guide hole (41) which completely penetrates along the extending direction of the movable push rod (2), and the movable push rod (2) penetrates through the push rod guide hole (41) of the push rod guide block (4) from back to front;
a push rod mounting hole (21) which is opened towards the side of the nut sliding block (34) is formed at the rear end part of the movable push rod (2), and a linkage optical axis (35) which extends towards the side of the nut sliding block (34) is embedded in the push rod mounting hole (21); the upper end part of the nut sliding block (34) is provided with a sliding block groove (341) which is opened upwards, and the end part of the linkage optical axis (35) extends into the sliding block groove (341).
2. A stepper motor pushrod as defined in claim 1, wherein: the installation casing (1) is including casing base (11), spiral shell dress in casing upper cover (12) of casing base (11) upper end, and the shaping has casing holding chamber (13) between casing base (11) and casing upper cover (12), movable push rod (2) push rod actuating mechanism (3) are located casing holding chamber (13) respectively, just fixed bolster (31) spiral shell dress is fastened in casing base (11), push rod guiding hole (41) card is fixed between casing base (11) and casing upper cover (12).
3. A stepper motor pushrod as defined in claim 2, wherein: the shell base (11) corresponds the base limiting groove (111) has been seted up to push rod guide block (4), upper cover limiting groove (121) has been seted up to shell upper cover (12) corresponding push rod guide block (4), and the upper end embedding of push rod guide block (4) is limited in upper cover limiting groove (121), and the lower tip embedding of push rod guide block (4) is limited in base limiting groove (111).
4. A stepper motor pushrod as defined in claim 1, wherein: the rear end part of the movable push rod (2) is provided with a sheet-shaped induction block (22), and the induction block (22) and the movable push rod (2) are of an integrated structure;
the installation shell (1) is provided with a groove type photoelectric switch (5) corresponding to the induction block (22) of the movable push rod (2); when the movable push rod (2) is positioned at the initial position, the sensing block (22) of the movable push rod (2) is positioned in the sensing groove of the groove type photoelectric switch (5).
5. A stepper motor pushrod as defined in claim 1, wherein: the fixed support (31) is fixedly provided with a slide block guide rod (36) below the driving screw (33), the lower end part of the nut slide block (34) is provided with a slide block guide groove (342) which is downwards opened, and the slide block guide rod (36) passes through the slide block guide groove (342) of the nut slide block (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223313740.XU CN219164370U (en) | 2022-12-12 | 2022-12-12 | Stepping electric push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223313740.XU CN219164370U (en) | 2022-12-12 | 2022-12-12 | Stepping electric push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219164370U true CN219164370U (en) | 2023-06-09 |
Family
ID=86620727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223313740.XU Active CN219164370U (en) | 2022-12-12 | 2022-12-12 | Stepping electric push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219164370U (en) |
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2022
- 2022-12-12 CN CN202223313740.XU patent/CN219164370U/en active Active
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