CN220135299U

CN220135299U - Adjusting component and lamp

Info

Publication number: CN220135299U
Application number: CN202321709083.2U
Authority: CN
Inventors: 杨鹏飞; 匡骁; 张波
Original assignee: Shenzhen Xiaoyang Technology Co ltd
Current assignee: Shenzhen Xiaoyang Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-05
Anticipated expiration: 2033-06-30

Abstract

The embodiment of the utility model relates to the technical field of lamps and discloses an adjusting assembly and a lamp, wherein the lamp comprises a lamp shell, a reflecting cup and a luminous body, wherein the reflecting cup and the luminous body are arranged in the lamp shell, the adjusting assembly is used for adjusting the position of the luminous body relative to the reflecting cup, and the adjusting assembly comprises a fixed seat, a movable seat and a locking piece; the movable seat is arranged on the fixed seat in a sliding manner and can move along a first direction relative to the fixed seat, and the locking piece is used for fixing the movable seat at different positions of the fixed seat in the first direction. According to the adjusting component, the movable seat can slide along the first direction of the fixed seat, the position of the movable seat relative to the fixed seat in the first direction is fixed by the locking piece, and the position of the luminous body arranged on the movable seat can be adjusted, so that the luminous center of the luminous body of the lamp is positioned at the focus of the reflecting cup, and the lighting effect of the lamp is ensured; the adjusting component enables the position adjusting process of the illuminant of the lamp to be simpler and more convenient.

Description

Adjusting component and lamp

Technical Field

The utility model belongs to the technical field of lamps, and particularly relates to an adjusting assembly and a lamp.

Background

Film and television lamps are lamps used for lighting and achieving a certain light effect in stage performance and film and television shooting; it helps to represent the content of the program, show the author's creative intent, set aside artistic atmosphere, and allow the viewer, camera (video camera) to receive the correct color feel and exposure.

In the film industry, photographers often need to carry multiple different types of light fixtures to meet the needs of night shooting and special light effects. At present, in order to achieve a better lighting effect, a lighting center of a light emitting body needs to be located at a focus of a light reflecting cup, and a height adjusting device for adjusting the height of the light emitting body is arranged on the lamp in the related art, but the structure of the height adjusting device is complex, the height adjusting process of the light emitting body is complex, and the adjusting difficulty is high.

Disclosure of Invention

The embodiment of the utility model aims to provide an adjusting assembly and a lamp, which are used for solving the problems that the adjusting process of adjusting the height of a luminous body through the existing height adjusting device is complicated and the adjusting difficulty is high when the luminous body of the lamp is replaced.

In order to achieve the above object, according to one aspect of the present utility model, there is provided an adjusting assembly for use in a lamp, the lamp including a lamp housing, and a reflector cup and a luminous body both disposed in the lamp housing, the adjusting assembly for adjusting a position of the luminous body relative to the reflector cup, the adjusting assembly comprising:

a fixing seat;

the movable seat is arranged on the fixed seat in a sliding manner and can move along a first direction relative to the fixed seat; and

the locking piece is used for fixing the movable seat at different positions of the fixed seat in the first direction.

Optionally, one of the fixed seat and the movable seat is provided with a plurality of locking grooves at intervals along the first direction, and the locking piece is arranged on the other one of the fixed seat and the movable seat; the locking piece can be placed in any locking groove so that the movable seat is fixed at different positions of the fixed seat in the first direction.

Optionally, the fixing base is provided with a plurality of locking grooves along the first direction at intervals, the movable base is provided with a mounting hole, the locking piece is movably arranged in the mounting hole in a penetrating mode, and the locking piece can penetrate through the mounting hole and is arranged in the locking groove.

Optionally, the locking piece slides and wears to establish in the mounting hole, is provided with the piece that resets between movable seat and the locking piece, and the piece that resets is used for providing the elastic force that drives the direction motion that the locking piece is close to the fixing base.

Optionally, the movable seat comprises a mounting plate and a sleeve; one side of the mounting plate is used for mounting the luminous body, the sleeve is arranged on the other side of the mounting plate, and the sleeve is sleeved on the fixing seat in a sliding way.

Optionally, a guide member extending along the first direction is disposed on a side of the mounting plate, which is close to the fixing seat, and the fixing seat is provided with a guide hole extending along the first direction, and the guide member is slidably disposed in the guide hole.

Optionally, a limiting groove extending along the first direction is formed in the fixing seat, a limiting block arranged in the limiting groove in a sliding manner is connected to the movable seat, and a limiting part is arranged at one end, close to the mounting plate, of the limiting groove; the limiting block can be propped against the limiting part and is used for preventing the fixed seat from being separated from the movable seat.

Optionally, the adjusting assembly further comprises an elastic member; the elastic piece is arranged between the fixed seat and the movable seat and is used for providing elastic force for driving the movable seat to move in a direction away from the fixed seat.

Optionally, a positioning hole extending along the first direction is formed in the fixing seat; one end of the elastic piece is arranged in the positioning hole, and the other end of the elastic piece is connected with the movable seat.

According to another aspect of the present utility model, there is also provided a lamp, comprising:

the lamp shell, the reflecting cup and the luminous body are arranged in the lamp shell; and

the adjusting component is characterized in that the fixed seat is arranged in the lamp housing, and the luminous body is arranged on the movable seat; the adjusting component is used for adjusting the position of the illuminant relative to the reflecting cup so that the luminous center of the illuminant is positioned at the focal point of the reflecting cup.

The adjusting component provided by the utility model has the beneficial effects that: the adjusting component comprises a fixed seat, a movable seat arranged in a sliding manner along a first direction of the fixed seat and locking pieces used for fixing the movable seat at different positions of the fixed seat in the first direction; according to the adjusting component, the movable seat can slide along the first direction of the fixed seat, and the position of the movable seat relative to the fixed seat in the first direction is fixed by the locking piece, so that the position of the luminous body arranged on the movable seat can be adjusted, the luminous center of the luminous body of the lamp is positioned at the focus of the reflecting cup, and the lighting effect of the lamp is further ensured; the adjusting component enables the position adjusting process of the illuminant of the lamp to be simpler and more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a lamp according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an overall structure of an adjusting assembly according to an embodiment of the present utility model;

FIG. 3 is an exploded view of the overall structure of an adjustment assembly provided in an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of the overall structure of an adjustment assembly provided by an embodiment of the present utility model;

FIG. 5 is another cross-sectional view of the overall structure of the adjustment assembly provided by an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a fixing seat according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of a connection structure between a movable seat and a locking member according to an embodiment of the present utility model;

fig. 8 is a schematic diagram of a connection structure of an adjusting assembly, a lamp holder, and a light emitter according to an embodiment of the present utility model;

FIG. 9 is an exploded view of the connection structure of the adjusting assembly, the lamp base and the illuminant provided by the embodiment of the utility model;

wherein, each reference sign in the figure:

1. an adjustment assembly; 11. a fixing seat; 111. a locking groove; 112. a guide hole; 113. a limit groove; 1131. a limit part; 114. positioning holes; 12. a movable seat; 121. a mounting hole; 122. a mounting plate; 1221. a guide member; 123. a sleeve; 1231. a limiting block; 13. a locking member; 14. an elastic member;

2. a lamp; 21. a lamp housing; 22. a reflective cup; 23. a light emitting body; 231. a lamp holder; 2311. a groove; 2312. a clamping block; 232. and a bump.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

According to one aspect of the present utility model, as shown in fig. 1-3, an embodiment of the present utility model provides an adjustment assembly 1 for use in a lamp 2, the lamp 2 comprising a lamp housing 21, and a reflector cup 22 and a light emitter 23 disposed in the lamp housing 21, the adjustment assembly 1 being configured to adjust a position of the light emitter 23 relative to the reflector cup 22. In order to facilitate the shooting operation, the lamp 2 can be generally provided with a plurality of different types of luminous bodies 23 (such as tungsten filament lamp, dysprosium lamp, etc.) so as to reduce the number of lamps 2 required to be carried during shooting, and after the lamps 2 replace the luminous bodies 23, the positions of the luminous bodies 23 of the lamps 2 need to be adjusted so that the luminous centers of the luminous bodies 23 are positioned at the focal points of the reflecting cups 22, thereby ensuring the lighting effect of the lamps 2.

In this embodiment, as shown in fig. 2-7, the adjusting assembly 1 includes a fixed base 11, a movable base 12, and a locking member 13, where the movable base 12 is slidably disposed on the fixed base 11 and can move along a first direction relative to the fixed base 11, and the locking member 13 is used to fix the movable base 12 at different positions of the fixed base 11 along the first direction, where the first direction is a direction along an X axis in the drawing, and the movable base 12 is used to mount the light emitter 23 of the lamp 2.

Specifically, the adjusting assembly 1 can adjust the position of the light emitting body 23 mounted on the movable seat 12 by arranging the movable seat 12 to be capable of sliding along the first direction of the fixed seat 11 and fixing the position of the movable seat 12 relative to the fixed seat 11 in the first direction by utilizing the locking piece 13, so that the light emitting center of the light emitting body 23 of the lamp 2 is positioned at the focus of the light reflecting cup 22, and the lighting effect of the lamp 2 is ensured; the adjusting component 1 enables the position adjusting process of the luminous body 23 of the lamp 2 to be simpler and more convenient.

In one embodiment, as shown in fig. 3 and 4, one of the fixed seat 11 and the movable seat 12 is provided with a plurality of locking grooves 111 at intervals along the first direction, and the locking member 13 is provided on the other of the fixed seat 11 and the movable seat 12; the locking member 13 can be placed in any one of the locking grooves 111 to fix the movable base 12 to the fixed base 11 at different positions in the first direction.

It can be understood that, in the process of adjusting the position of the movable seat 12 relative to the fixed seat 11 in the first direction, the locking member 13 is first pulled out from the current locking groove 111, the movable seat 12 is slid on the fixed seat 11, after the movable seat 12 is located at the target position, the locking member 13 is inserted into the locking groove corresponding to the target position, so as to limit the sliding of the movable seat 12, and fix the position of the movable seat 12 relative to the fixed seat 11 in the first direction; the locking piece 13 is matched with the locking groove 111 to limit the sliding of the movable seat 12 and fix the position of the movable seat 12, so that the structure is simple and the operation is convenient.

In another embodiment, one of the fixed seat 11 and the movable seat 12 has a pressing surface, and the locking member 13 is disposed on the other of the fixed seat 11 and the movable seat 12; the locking piece 13 can be abutted against different positions of the abutting surface along the first direction, so that the movable seat 12 is fixed at different positions of the fixed seat 11 along the first direction. In this embodiment, in the process of adjusting the position of the movable seat 12 relative to the fixed seat 11 in the first direction, the locking member 13 is first separated from the current position of the abutment surface, the movable seat 12 is slid on the fixed seat 11, and after the movable seat 12 is located at the target position, the locking member 13 is driven to abut against another position of the abutment surface, so that the position of the movable seat 12 relative to the fixed seat 11 in the first direction can be fixed; specifically, the locking member 13 in this embodiment may be a bolt or a screw, and by screwing the bolt or the screw, the abutment with the abutment surface or the separation from the abutment surface is achieved.

In a specific embodiment, as shown in fig. 4, the fixing base 11 is provided with a plurality of locking grooves 111 at intervals along the first direction, the movable base 12 is provided with a mounting hole 121, the locking piece 13 movably penetrates through the mounting hole 121, and the locking piece 13 can penetrate through the mounting hole 121 and be placed in the locking groove 111.

Specifically, when fixing the position of the movable seat 12 in the first direction relative to the fixed seat 11, the locking member 13 needs to pass through the mounting hole 121 and be placed in the locking groove 111; in this embodiment, the locking member 13 may be selectively threaded through the mounting hole 121, and when the movable seat 12 is adjusted to a certain position of the fixed seat 11 in the first direction, the locking member 13 needs to be manually turned, so that the locking block is inserted into the locking slot 111 to fix the position of the movable seat 12, where the locking member 13 may be a stud, a screw, a block with threads disposed thereon, or the like.

In a more specific embodiment, the locking member 13 is slidably disposed in the mounting hole 121, and a restoring member (not shown) is disposed between the movable seat 12 and the locking member 13, and the restoring member is configured to provide an elastic force for driving the locking member 13 to move in a direction approaching the fixed seat 11.

Specifically, the reset member can provide an elastic force that drives the locking member 13 to move in a direction approaching the fixing base 11, i.e., an elastic force that drives the locking member 13 to be inserted into the locking groove 111; after the photographer adjusts the position of the movable seat 12 to the target position, the photographer only needs to release the locking piece 13, and at this time, the locking piece 13 is automatically inserted into the locking groove 111 by the elastic force of the reset piece. After the movable seat 12 slides to the target position on the fixed seat 11, the reset piece can drive the locking piece 13 to be automatically inserted into the locking groove 111, so that the position adjustment process of the movable seat 12 is simplified; the reset piece can be a spiral spring, and the locking piece 13 can be a polished rod, a sliding block with a T-shaped cross section, and the like.

In one embodiment, as shown in fig. 3, 6 and 7, the movable seat 12 includes a mounting plate 122 and a sleeve 123; one side of the mounting plate 122 is used for mounting the luminous body 23, the sleeve 123 is arranged on the other side of the mounting plate 122, and the sleeve 123 is sleeved on the fixing seat 11 in a sliding manner.

Specifically, the sleeve 123 is disposed on a side of the mounting plate 122 away from the light emitter 23, and is slidably sleeved on the fixed seat 11, and the fixed seat 11 and the movable seat 12 are connected in a sleeved manner, so that the movable seat 12 can be prevented from being offset when sliding along the first direction of the fixed seat 11.

In this embodiment, as shown in fig. 8 and 9, the light emitting body 23 is provided with a lamp socket 231, the light emitting body 23 is mounted on the mounting plate 122 through the lamp socket 231, specifically, the lamp socket 231 is provided with a groove 2311 and a clamping block 2312, the light emitting body 23 is provided with a bump 232, and the bump 232 can be inserted into the groove 2311; the clamping block 2312 is slidably disposed in the groove 2311 and can move in a direction approaching or separating from the bottom surface of the groove 2311 with respect to the lamp holder 231, and the clamping block 2312 and the bottom surface of the groove 2311 can respectively abut against opposite sides of the protrusion 232 to clamp the protrusion 232. Through sliding the clamping block 2312, the opposite sides of the protruding block 232 are respectively abutted against or separated from the clamping block 2312 and the groove 2311, so that the protruding block 232 can be clamped or loosened, the clamping process is simple and convenient, the illuminant 23 is convenient to replace by shooting personnel, and the illuminant 23 is installed in a clamping manner, so that the lamp holder 231 can be matched with and installed on various different types of illuminants.

In a specific embodiment, as shown in fig. 3, 6 and 7, a guide member 1221 extending in the first direction is provided on a side of the mounting plate 122 adjacent to the fixing base 11, the fixing base 11 is provided with a guide hole 112 extending in the first direction, and the guide member 1221 is slidably disposed in the guide hole 112.

Specifically, the guide 1221 disposed on the side of the mounting plate 122 near the fixed seat 11 is slidably disposed in the guide hole 112 of the fixed seat 11, so as to provide a guide for the movement of the movable seat 12 relative to the fixed seat 11 along the first direction, and avoid the position deviation of the movable seat 12 when sliding relative to the fixed seat 11 along the first direction.

In a specific embodiment, as shown in fig. 5 to 7, a limiting groove 113 extending along a first direction is formed on the fixed seat 11, a limiting block 1231 slidably disposed in the limiting groove 113 is connected to the movable seat 12, and a limiting portion 1131 is disposed at one end of the limiting groove 113, which is close to the mounting plate 122; the limiting block 1231 can abut against the limiting portion 1131, and is used for preventing the fixed seat 11 and the movable seat 12 from being separated.

Specifically, when the movable seat 12 slides along the first direction relative to the fixed seat 11 until the movable seat is about to be separated from the fixed seat 11, the limiting block 1231 disposed on the movable seat 12 abuts against the limiting portion 1131 disposed at one end of the limiting groove 113 near the mounting plate 122, so as to prevent the movable seat 12 from being separated from the fixed seat 11, wherein the limiting block 1231 is disposed on the sleeve 123, and the limiting block 1231 may be replaced by a screw, a locking screw, or the like.

In addition, the stopper 1231 provided on the movable base 12 is slidably disposed in the stopper groove 113 extending in the first direction on the fixed base 11, which can limit the position of the movable base 12 when sliding in the first direction with respect to the fixed base 11, so as to avoid the circumferential rotation of the movable base 12 when sliding in the first direction with respect to the fixed base 11, and in particular, when the movable base 12 is provided with the sleeve 123 having the annular cross section and the fixed base 11 having the circular cross section, the guide rod is slidably disposed in the guide hole 112 only, so that the circumferential rotation of the movable base 12 cannot be limited, and the stopper 1231 is slidably disposed in the stopper groove 113, so as to limit the circumferential rotation of the movable base 12.

In one embodiment, as shown in fig. 4, the adjustment assembly 1 further comprises an elastic member 14; the elastic member 14 is disposed between the fixed seat 11 and the movable seat 12, and is used for providing an elastic force for driving the movable seat 12 to move away from the fixed seat 11.

Specifically, the elastic force of the elastic member 14 can be used as a pushing force to push the movable seat 12 to move away from the fixed seat 11, so that the movable seat 12 is lighter when sliding in the direction away from the fixed seat 11; meanwhile, after the movable seat 12 is fixed relative to the fixed seat 11 in the first direction, the elastic member 14 can still provide a pushing force to prevent the movable seat 12 from shaking; wherein the elastic member 14 may be a coil spring.

In this embodiment, the fixed seat 11, the movable seat 12 and the illuminant 23 are sequentially arranged from bottom to top, the movable seat 12 performs up-down movement, in general, the illuminant 23 used by the lamp 2 has a relatively large weight, and a relatively large force needs to be applied to overcome the weight of the illuminant 23 when the movable seat 12 is lifted, and the elastic member 14 of the present utility model can provide a thrust to assist the movable seat 12 to lift when the movable seat 12 is lifted, so that the lifting process of the movable seat 12 is simpler.

In a specific embodiment, the fixing base 11 is provided with a positioning hole 114 extending along the first direction; one end of the elastic member 14 is disposed in the positioning hole 114, and the other end is connected to the movable seat 12.

Specifically, one end of the elastic member 14 is disposed in the positioning hole 114, and the positioning hole 114 can prevent the elastic member 14 from bending and deforming to some extent. In the present embodiment, the two ends of the elastic member 14 may be mounted in various manners, such as abutment, welding, riveting, screw fixation, and the like.

According to another aspect of the present utility model, as shown in fig. 1-3, there is further provided a lamp 2, including a lamp housing 21, a reflector 22 and a light emitter 23 both disposed in the lamp housing 21, and the adjusting assembly 1, wherein the fixing base 11 is disposed in the lamp housing 21, and the light emitter 23 is disposed on the movable base 12; the adjusting assembly 1 is used for adjusting the position of the illuminant 23 relative to the reflector cup 22 so that the illuminant center of the illuminant 23 is located at the focal point of the reflector cup 22.

It can be understood that, since the lamp 2 includes the adjusting assembly 1, the position of the light emitting body 23 relative to the reflective cup 22 can be adjusted by the adjusting assembly 1, so that the light emitting center of the light emitting body 23 is located at the focal point of the reflective cup 22, and the lighting effect is ensured.

Specifically, the setting of the adjusting component 1 enables the lamp 2 to be applicable to a plurality of different types of luminous bodies 23, when shooting work is carried out, shooting staff does not need to carry a plurality of sets of lamps 2, so that convenience can be brought to the shooting work, and the shooting cost is reduced; and because the shell of one lamp 2 can be suitable for a plurality of different types of luminous bodies 23, for the lamp 2 which is not commonly used, only the luminous bodies 23 of the lamp 2 are required to be placed in a warehouse, so that the backlog of the lamp 2 in the warehouse can be reduced, and the warehouse space is liberated.

In summary, implementing the adjusting assembly 1 and the lamp 2 with the adjusting assembly 1 provided in this embodiment has at least the following beneficial technical effects:

the adjusting component 1 can conveniently and rapidly adjust the position of the luminous body 23 arranged on the movable seat 12 by setting the movable seat 12 to be capable of sliding along the first direction of the fixed seat 11 and fixing the movable seat 12 at different positions of the fixed seat 11 in the first direction by utilizing the locking piece 13, so that the luminous center of the luminous body 23 of the lamp 2 is positioned at the focus of the reflecting cup 22, and the lighting effect of the lamp 2 is ensured.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides an adjusting part for in lamps and lanterns, lamps and lanterns include the lamp body and all set up in reflector cup and luminous body in the lamp body, adjusting part is used for adjusting the luminous body is relative the position of reflector cup, its characterized in that, this adjusting part includes:

a fixing seat;

2. An adjustment assembly according to claim 1, wherein one of the fixed and movable seats is provided with a plurality of locking grooves spaced apart along the first direction, the locking member being provided on the other of the fixed and movable seats; the locking piece can be placed in any locking groove, so that the movable seat is fixed at different positions of the fixed seat in the first direction.

3. An adjusting assembly according to claim 2, wherein the fixing base is provided with a plurality of locking grooves at intervals along the first direction, the movable base is provided with a mounting hole, the locking piece is movably arranged in the mounting hole in a penetrating manner, and the locking piece can pass through the mounting hole and be arranged in the locking grooves.

4. An adjustment assembly according to claim 3, wherein the locking member is slidably disposed through the mounting hole, and a return member is disposed between the movable seat and the locking member, the return member being configured to provide an elastic force for urging the locking member to move in a direction approaching the fixed seat.

5. An adjustment assembly as set forth in claim 1 wherein said movable mount includes a mounting plate and a sleeve; one side of the mounting plate is used for mounting the luminous body, the sleeve is arranged on the other side of the mounting plate, and the sleeve is slidably sleeved on the fixing seat.

6. An adjustment assembly according to claim 5, wherein a side of the mounting plate adjacent the mounting base is provided with a guide member extending in the first direction, the mounting base is provided with a guide hole extending in the first direction, and the guide member is slidably disposed in the guide hole.

7. The adjusting assembly according to claim 5, wherein the fixed seat is provided with a limit groove extending along the first direction, the movable seat is connected with a limit block arranged in the limit groove in a sliding manner, and one end of the limit groove, which is close to the mounting plate, is provided with a limit part; the limiting block can be propped against the limiting part and is used for preventing the fixed seat from being separated from the movable seat.

8. An adjustment assembly according to any one of claims 1-7, characterized in that the adjustment assembly further comprises an elastic member; the elastic piece is arranged between the fixed seat and the movable seat and is used for providing elastic force for driving the movable seat to move away from the fixed seat.

9. An adjustment assembly as recited in claim 8, wherein said mounting base is provided with a locating hole extending in said first direction; one end of the elastic piece is arranged in the positioning hole, and the other end of the elastic piece is connected with the movable seat.

10. A light fixture, comprising:

the adjustment assembly of any one of claims 1-9, wherein the fixed seat is disposed in the lamp housing, and the light emitter is disposed on the movable seat; the adjusting component is used for adjusting the position of the illuminant relative to the reflecting cup so that the luminous center of the illuminant is positioned at the focal point of the reflecting cup.